Fix “Windows was unable to find a certificate to log you on to the network”

I recently bought a new Linksys wireless router and after setting it up with basic WEP security, I tried to logon from my laptop and was successful! Not very exciting, eh?

So then I tried to connect from my desktop computer that has a wireless USB adapter attached to it and I ended up getting this error message:

Windows was unable to find a certificate to log you on to the network

Fabulous! What certificate! I checked my settings on the wireless router to make sure I didn’t accidentally setup certificate security, but found no such thing. Also, since I was able to connect from my laptop with no problem, it led me to believe it was something wrong with my desktop.

After about 30 minutes of fiddling around with various settings, I was able to figure out what the problem was. Here’s how to connect to your wireless router if you are getting this message.

First, click on the wireless icon in your taskbar and under Related Tasks, choose Change advanced settings.

change advanced settings wireless

Now click on the Wireless Networks tab and select the network in the list at the bottom. Click on Properties once you select the wireless network that is having problems.

wireless network properties

Click on the Authentication tab and now uncheck the Enable IEEE 802.1x authentication for this network box. If the box was checked, then that was why you were getting the “unable to find a certificate to log you on to the network” message because Windows is looking for one, but your wireless router is not setup for certificate security.

wireless security

And that’s it! Once I unchecked that box and tried to reconnect to the wireless network, everything worked fine! Enjoy!

Comments [521]

  1. Thanks for the post. This is what I was missing!

  2. Yippee! After aching my back and head, I had an 'expert' poking around for hours (unsuccessfully I might add) … and that was all I needed! Tip my hat to you : )

  3. This should be added to all router and internet websites. I was getting really frustrated and had even taken a look at changing that, but I didn't. Thanks for the help!! :-)

  4. Thank you, thank you, thank you. This solved my connection problem right away.

  5. Greatttttttttttt…. it works immediatly

  6. does the unchecking stay once u re start ur computer?

    I had " can't find Cert" problems and that area was greyed out and ieee ect was unchecked !

    Any ideas?

  7. Thanks, this solved my issue as well!!

  8. it worked perfectly..

    thanks so much keep posting..

  9. Well, it showed me this sentence "Windows was unable to find a certificate to log you on to the network" but i was connected. Programms like Skype and Icq worked for me, but Internet Explorer cannot display the webpage… Any ideas to help me? Thanks.

  10. The problem is, I am still getting the same error and cannot connect to the internet after unchecking the option! Any other ideas?

  11. Thanks Aseem for posting the tip about certificate error. It helped me solve the mystery. Keep up the good work and all the best for your current and future endavours! ~Kam*

  12. You are da' MAN!!!!!!!!! Worked just like it was written!!!!

  13. Only problem is that while I was fiddling with all the other settings trying to get this to work I've screwed something else up and now it says 'Limited or no connectivity' yet a different laptop logs in fine!

  14. Thank you!!!!! I was banging my head against the wall and every other site explained things in a way that a non-techie would not understand ;-(. Thank you for the simple answer!

  15. how do you change this for Windows Vista Basic edition OS?

  16. Thank you, Aseem. Exactly the information I needed!

  17. THANK YOU ASEEM!!! This worked like a charm!! I knew I didn't need a certificate to log into my wireless network!

  18. Thanks so much! That worked! I am now able to log into my wireless network!

  19. I tried all the steps only to find that the check box is greyed out and I can't uncheck it. Anyone know how to get around this?? I need to know asap. Thanks.

  20. Wow — thank you so much – your answer got me up and running with my new Linksys Adapter (no thanks to Linksys worthless troubleshooting and forums). Thanks again!!

  21. When i went to "authentication" mine was already checked off and the certificate error is still happening?

  22. my box was already unchecked and still doent work :( please help

  23. I have a Netgear wireless RangeMax n-router & wireless PCI card with same problem. Your fix worked great!!

  24. You are awesome! I can now connect to my wireless network!

  25. Thanks heaps for this! I was messing around trying to get my wife's computer to go back online after it mysteriously stopped working and this page helped me fix the issue within a minute. I was so close to finding the same solution myself, but it never occurred to me to uncheck that particular checkbox until I saw your tutorial. Thanks again!

  26. Very Good , searched for so long and at the end it was so simple thank you so much! Now I can connect to the wireless network!

  27. Wow! Thank you… this was an annoying problem. lol Thank you for sharing this with the rest of us non-technical people of the world! I just got a belkin wireless g router and needed to get it working immediately. Thanks again!

  28. thank you very much, it really helped me. we have another linksys access point in which this authentication is enabled so we never thought of disabling this check mark. Regards, Smeet

  29. YOU DA MAN!!!

    I spent 2 nights trying to figure this one out. I tried what looked like other solutions from other help pages,but they did not work. This was it. Very easy to follow your instructions. Thanks

  30. Worked like a charm for me – thanks, Aseem!! My wife's computer is back online. She doesn't seem very grateful, but I assure you I am because now I get MY computer back from her!

  31. Thank you for the excellently documented help. It solved my problem in mere seconds…

  32. Thank you so much for sharing this solution! Hours of frustration have ended! :-D

  33. Excellent! Save me time researching. My wireless connection is working without the annoying message. Thanks a lot.

  34. Excellent. Worked for me and ended hours of frustration!

  35. Thanks a million…was wondering why I needed a certificate to log on to my own wireless network!

  36. Thank you so much for posting this! Fixed my wireless problem!

  37. I also found the box greyed out. It's particularly aggravating because the "certificate" message pops up seemingly randomly anywhere from every 10 or 15 seconds to 15 or 20 minutes.

    Does anyone have a solution for those of us with "pre-greyed out" authentication boxes?

  38. OMG……Thank you so much – my old computer had this problem – had taken it to 'experts' and everything. They all told me I needed a new motherboard/network cards etc etc….and that it would cost me heaps & it wasn't worth it. So I bought a new 'puter. I am just mucking around with the old one for the kids to put games on – found your solution – AND IT WORKS!!!!!!

  39. thank you soooooo much!

    it worked for my eee pc netbook,whew!

  40. Great post! To those above – I ALSO got the situation of "limited web connectivity" after successfully connecting to the wireless device itself on ONE "older" laptop with XP. All other computers worked fine in my environment. The fix? I had to go to the wireless router admin and "step down" the authentication protocol from the more advanced "WPA" to the more universal "WEP". Also had to broadcast at 2.5Ghz instead of 5Ghz, and ensure the setting supported all modes – b/g/n. Made these additional changes and all was good! Ed.

  41. Thanks a lot for the post. It helped me to solve my wireless connection problem.

    Keep up the good work :)


  42. Thanks a lot for your post! You really saved me! My boss was breathing down my neck about his computer not connecting to the wireless network!

  43. This is great, thanks for the help. Was able to connect to the wireless network perfectly fine after unchecking that box!

  44. This helped a lot, after our Linksys 802.11b Access point/ router died today and we went and installed an 802.11g version.


  45. Your fix it worked great…..I thought it was strange about the message, windows can not find certificate to log on when I was logged on…………Thank You

  46. Thanks a million for the fix – it didn't go as smoothly for me with my Trendnet Nband router and my Nband PCI card, as the certificate page you indicated was all grey and there was a yellow triangle "!" warning me about the certification process being disabled since the SSID was unencrypted. However, on the first page of the advanced options I noticed there were two profiles for the same SSID and I deleted the unused one – and connected almost immediately after clicking out of the advanced dialogs. I still attribute you with the fix, as you got me into the the right dialog. :)

  47. Hey, I did all of that and the box that says Enable etc etc is checked, but it's shaded a grey that means I'm unable to uncheck it!! What do I do?

  48. THANKS A LOT! WORKED GREAT! Was able to connect to the wireless network here!!!

  49. Thank you. It works perfectly now. My help desk couldn't even help me with this. Pretty sad when you have to go to google to get help on a message because your helpdesk can't help you.

  50. My wireless connection was fixed after reading your article! Thanks!!!

  51. You ROCK!!!! Connected within 30 seconds after the change!

  52. Thanks a lot. I did everything except for that. Thanks again.

  53. Thanks so much!!! Now able to connect to my wireless network at home!

  54. Thanks a lot! Your solution worked perfectly! So simple!

  55. What an easy fix! I was so frustrated and had tried pretty much everything: restarting the wireless network, resetting the router, etc, etc! Thanks man!

  56. Thank you very much! This fixed my wireless problem!

  57. Thank you!!! I'm finally connected to my wireless network.

  58. I tried this but to no avail. What else could be the problem? The other laptop I have is working perectly. Please help. :o(

  59. Thank you very much ….U saved my day….and my Internet connection!

  60. That was great…..thanks a lot! I was struggling with this for hours!

  61. Very helpful. You solved my problem. Thanks a lot.

  62. Appreciated, that really works! My Internet is working again! YAY!

  63. Excellent help — I am now back on line!!! Many Thanks

  64. It shows that i cant check or uncheck the box how do i make that option show?

  65. Thank you very much. Easy…no more certificate error when connecting to the wireless network!

  66. Awesome. This did it! I'm up and surfing with my minilap!

  67. Thank you SO much for this. I was starting to lose my mind.

  68. Thank you so very much! After two years, my laptop now connects at home.

  69. i still receive that message about the certificate…..I can't connect to the internet…..don't know why….i followed all the steps you said…..but not working….:((((((( plssssss help !

  70. Thank you, good decription on how to resolve this wireless certificate problem!

  71. Thanks a million… saved me a lot of time and effort troubleshooting my wireless connection !

  72. You guys are awesome! Thank you! This solved my problem. I am running Windows XP and there is one additional step I had to take that I'd like to share to help others: after completing all of the steps listed above, if you still can not connect to the Internet try this:

    1. Open your 'Network Connections' (found in active icons tray).
    2. Right-click on the 'Witeless Network Connection' that won't connect to the Internet.
    3. Click 'Repair' from the drop down menu that appears after right-click.

    Windows took over from there, resetting my wireless adapter and updating my IP address. This provided immediate resolution for me. Thanks again for being so helpful!

  73. About greyed out/uncheckable boxes:

    I'm using WPA-PSK : AES (Data Encryption), and i noticed that the "Authentication" tab is greyed out. If you switch to WEP network authentication and encryption, the "authentication" tab is NOT greyed out. I know this isn't a solution for those people who want to use WPA, but it's better than having no connection or drop outs all the time.

    I'll also put some other data, maybe we can find a similarity in our situations.

    OS: Win XP

    Network adapter: Intel Pro Wireles 3945ABG net


  74. thank you thank you!! I was able to connect to my wireless network by following your instructions!

  75. Thanks, you are great. I could not figure out what that message meant until I came to your site. Now I am browsing the Internet again!

  76. Oh my goodness, I love you. I've been trying to figure this out for HOURS.

  77. Thanks you very much. I also faced the same problem like that with my wireless connection…I even do followed your method before however it did not work as i did not specified what connection I wanted to use. After I read the article again, it struck me… and thus when validating my identity, I unchecked that certificate box and voila! it's working… great info.. thanks once again….

  78. Excellent. Worked for me and ended hours of frustration!

  79. Thanks, I was facing this problem for quite some time. Not for myself but for my Dads laptop.

  80. I would also like to thank you for posting this fix! I wish I could figure out why I had to do this all of a sudden, because the connection was working fine for months and we haven't changed a thing. So, THANK YOU!!!

  81. You are awesome! Thanks for posting..:))))

  82. Wunderbar! This was my problem. Isn't Google a wonderful thing? :-)

  83. Omg thanks so much! I've had this problem for a month now! Check so many sites and didn't understand anything! Thanks youuuu!!! This is what I was looking for! Something that actually worked!!!!!!!!

  84. Thank you very much for taking the time to post this online, it save all these people a lot of headaches thank you very very much. I really apreciate. Thanks ;)!!!!!!!


    I tried it a while ago and it worked!

  86. All the other websites were sooo wrong. Thanks! This fixed it in a millisecond!

  87. This is not working for me. I am able to connect directly to my cable modem, but not if I try wireless. My laptop that I first used to connect everything gets the certificate message, but I'm still able to log on. The problem is when other people come with their laptops, they are not able to connect wirelessly. They get the certificate error message.

  88. Many many thanks! I bought a new netbook and this was the error. I am so excited to use it, but kinda disappointed for i cannot connect to the internet. Thanks a lot. This really helped me!

  89. Thank you – your instructions worked like a charm!

  90. Thank you so much. My computer literate sone bet me $100 that I would be unable to set up the wireless and with this help I did!!

  91. Hi

    Initially I had set my connection settings to WPA2 and was receiving the same error message as mentioned by Aseem. I changed them to wep 128 bit, 64 bit and even disabled the security. When I tried connecting then, the error message was gone and my laptop established a connection easily but still the internet won't work. Any clues?

  92. Ditto to the many thanks above. Just when you think you know everything, something jumps up and bites you in the a_ _ to remind you that you don't.

    It's alive, it's alive!

  93. Thanks a lot. this was really useful to fix the problem over the phone on my brother's laptop.

  94. Thank you. That's why I love internet because there are so many people willing to help us.

  95. Thanks for this; the message just started popping up today after switching back to WEP. Gone now!

  96. THANK YOU!!! Now able to connect to my wireless network!

  97. Wow thank you! I was on with support for over an hour jumping through hoops. This fixed the problem in 5 seconds.

  98. Great solution! worked for me right away. OS: Win XP; router: D Link wireless n.

  99. Worked 100%! thank you! spent a few days trying and you fixed my wireless connection problem in a sec!

  100. It works but internet explorer cannot be displayed. Any more of the grea ideas please!

  101. I had to uncheck "The key is provided for me automatically" on the Association tab. It then let me enter the WEP key and that fixed the problem.

    This may be the answer for those who find the IEEE 802.1x grayed out, or if Aseem's answer does not help. Mine had IEEE 802.1x enabled, but that was not the problem.

  102. thanks man! Helped me get back on my wireless network!

  103. Thank you sooo much! this was a perfect fix for my exact same problem.

  104. Thanks for posting this! My roommate's computer wasn't working until I had him change this.

  105. Worked great! I was really worried when it asked about the certificate to connect to the network. I don't even know what that is.

  106. Thanks a lot for u help!!! This works for me!

  107. Thank you SOO much!! I couldnt for the life of me figure out why this was happening. I've never been asked for a certificate before.

  108. after a miserable day yesterday, you made my weekend. I was wasting so much time trying to connect to my wireless network. many thanks bro!

  109. I am getting this message with my new router, but the "Authentication" tab is grayed out. Any other ideas??

  110. It helped me a lot. Thank you very much

  111. Thank you. Very clear and perfect answer.

  112. Thank you so much. It worked right away!

  113. Thank you, it is so simple when you figure out what was causing the error!

  114. Thank you very much……… were very helpful!

  115. Thanks. I had been to that tab but I didn't think to disable the certificate altogether. If only they had added to that error message "If you have switched from a router that requires a certificate to one that doesn't you should…"

  116. thank you so much, you save my day!

  117. Thanks, had a different router, but the same problem. Saved me a lot of time.

  118. very neat and simple steps. thanks much for getting my wireless network working again..

  119. Wow…this many people had this issue? I had the same issue with an old computer that runs XP and I figured this out by myself in a few mins.

    A few hours I see this under "Popular posts". I didn't think it was a big deal. Where can I drop some helpful tips for people?

  120. Thanks so much for the tip.. it worked right away.

  121. This blog posting saved us a home visit from IT guy, and a lot of worry. Hats off to you Aseem!

  122. THANK YOU! Great solution to my WiFi problem!

  123. thank you very much..i have online access now! :D

  124. It worked! Thank you SO MUCH for your help! The screenshots were of great assistance.

  125. Thanks a lot… this is a problem i never came across!

  126. Thank you VERY much!!! It fixed it right away. I was about to rip my hair out!

  127. THANK YOU SO MUCH!!! I should have searched for this 2 hours ago :)

  128. After killing about 2 hours, you just saved me! Thanks!

  129. Thank you! You saved our whole company ;)

  130. THANK YOU! this is awesome. you've got pictures and everything! if only i had known about this site a few hours ago…

  131. you are a genius. Thanks a lot for your post. It does help my laptop connect to the wireless network.

  132. Steps were easy to follow, and sure enough, I got connected to the wireless router, however, the computer still isn't able to connect to the internet. The internet works if the computer is hard wired with an ethernet cable. Any suggestions why it's still not working?

  133. Thanks a million. My husband and I were at our wits end trying to overcome the problem. Your instructions were incredibly clear & worked like a charm. Nothing to do with computers as ever been so easily fixed.

  134. Great info, simple and very helpful. Thanks!!!!!!!!!!!!!

  135. Thank you so much for solving the issue for me!!!!

  136. this post was very useful. It got my Internet working again. thanks a lot, Aseem

  137. thanks a million bud!!!!! Connected to my wireless network again!

  138. thanks. works great now. what would we do without the web and good folks who help out?

  139. Thank You so much for Your help! You have done a great service! I really appreciate it!

  140. Thank you very much…It has been so frustrating for me to find a solution. I even asked my boyfriend who is a fiber optic tech to help. He gave me the usual "Go do a search on GOOGLE for a certificate". Ugh, soooo nerve wrecking..This is our wireless network.. my netbook.. I shouldn't have to do this.. or even have a certificate Wait till I tell him that I found the solution hahaha

    :-) Made my day!!

  141. Thank you very much. You saved my day. When looking at this list, you must have save for a year's worth of effort already. Thank you again.

  142. THANKS! I couldn't figure out why I could not connect to our home wireless network. You saved me quite some time!

  143. This was very helpful. Thank you so much.

  144. Thanks millions , i was trying from last 30 minutes, but wen i check this site , i got the result in just 1 minute… Thanks lotssss

  145. THANKS!!!!!!!!!!!!! I can browse the Internet again!

  146. Why can't I uncheck the box. It is like in gray thing so I can't click it! what should I do?

  147. still got no or limited connectivity problem. When I go to get it repaired, the enable authentication box gets re-checked. And, this laptop worked FINE before I got a u-verse digital modem (had DSL before.)


  148. Thank you this was so easy I was going crazy trying to figure it out why my wireless connection was not working!

  149. Thx, good info, but it might not be the only problem! In my case my router was set to use WPA2 only, when my computer was only able to use WPA mode and this was causing the "Windows was unable to find a certificate…" error. I had to switch to Auto WPA + WPA2 mode to fix it…

  150. Thanks so much. Fixed it in heart-beat. I'm forwarding this to our IT staff.

  151. Thank you! You just saved me from ripping out some more hair. It's always the simple things that cause the most trouble.

  152. You saved me a world of headache. Thank you kindly.

  153. Thank you. I just tried this today and I am back online.

  154. Thank you so much. Even my company IT Support department was stumped. After spending more than an hour of my own time, I searched via google, found your posting and within 4 minutes had my connection working.

    Thank you so very much.


  155. Thanks so much! After spending about 3 hours trying different things, I Googled the exact message I was getting, was directed to your site, read the easy-to-follow how-to, and it worked! The screen shots helped tremendously. I will definitely bookmark this site.

    Thanks, again.

  156. I don't even like to post things on sites that require registration because I just feel like a tool when I do. But, this advice is right on the money. Great tips and screen shots.

  157. OMG, you rock. Thank you so much for that post. I've been trying for a week and without wireless and having no time to call someone. Seriously.

  158. Awesome. You just saved me a bunch of time.

  159. Wow, it was fixed instantly, which I love seeing.

    Thanks a Lot!

  160. Yeah, like they all said above, thanks for the time saving tip! Now, if only the router manufacturers would include this in their FAQ, or Microsoft would improve their useless message with this information.

  161. Thanks a lot. I've been trying to connect for hours. Glad to see your blog.

  162. Thanks! This saved me a bundle of time.

  163. Great man! Although it's quite old, this information helped me!

    So long trying to connect, and just now I'm able to do it!

    Thanks a lot!

  164. After days of frustration with this problem in a new location, I did a search and found this post. All is fine now. Can't thank you enough!

  165. Thank you! This will likely save my buddy a headache.

  166. Thanks for sharing this. I have been looking for a fix for this problem for a little while now.

  167. Thank you so much!! All of a sudden, I move and can't connect any of my other home computers to the network! This is why! Thank you!!

  168. You are the man.

    I spent hours on the phone with all these PC tech guys from India & nobody suggested this!

  169. Thank you so much. It really worked, and solved my problem.

  170. Excellent tip!!! Being able to connect, this issue (message – “Windows was unable to find a certificate to log you on to the network”) was killing me for the last few months until I found this fix here. Thank you – thank you.

  171. Thanks Aseem!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  172. Thank you soooo much you saved my sanity!!!

  173. Very easy and wonderful instructions with easy to follow screenshots so even a dummy like me could easily resolve my certificate issue! Thanks a million! =D

  174. omg you are a life saver! It totally worked!

  175. I know I'm the 145th person to say so, but really, thank you for this. I was pulling out my hair!

  176. Aseem, thank you for your help. You resolved my wireless problem; now I will go to bed!

  177. I still get the message about the certificate. It works on Vista on the same machine, but not XP.

  178. thanks a ton buddy, you saved a lot of my time…

  179. Thank you so much!!! What a great way to end off a Monday and it wouldn't have been possible without you…

  180. Fantastic…perfect….

    Much appreciated the help…it solved the problem :)

  181. Thank you so much! You really helped me out!

  182. Thank you so much. Saved me a massive headache!

  183. I tried this solution and it did not work, what did work for me was doing a search on my wireless network adapter – intel pro wireless lan 2100 3a mini pci adapter driver. and updating to the latest driver that did the trick!!!

  184. Thank you. That resolved my problem.

  185. Thanks a lot, my issue got resolved with your solution.

  186. Brilliant!! You saved me a huge huge headache!!

  187. Worked like a charm..Thamnks a million

  188. WOW! Thanks – Cox came out twice and after 3.5 hours on the phone trying to figure out the problem had another scheduled appointment tomorrow morning, but no need now!

    Thank you for not being as incompetent as these people at COX!

  189. Thanks for the help. I would have never figured it out. Connecetion is working fine now.

  190. So obvious and yet SOOOOO illusive!!!!! I was at this for 2 hours and had not even considerred looking there!!!! LOL…..

  191. wow – i just spent an hour on the phone with tech support and they kept telling me there was something wrong with my router setting. 30 seconds with google and this website and problem solved. thanks!

  192. Thanks mate. Your solution was perfect! Back on the Internet!

  193. So simple…Worked perfectly! Thank you!!

  194. WOW, you're the best! i got myself a Tenda Wireless Router W368R and this was what's bugging me.. now after using your solution. That message was gone. Thanks a lot! God Bless You.

  195. Hi! Just wanna let you know that I am so thankful. Your solution helped me a lot.

  196. Thank you! This fixed the problem in seconds.

  197. It worked perfectly thanks for your help

  198. Let me add my thanks. This worked perfectly for me… first time. You are a star.

  199. It work Perfectly!!…………..Thanks alot!

  200. thx for the solution to my wireless woes!

  201. Thank you so much!! We were without wireless on one computer for months, and I had all but given up when I came across your instructions. Thanks so much for sharing.

  202. Thank you!! Your instructions/images were perfect and to the point.

  203. It works!!! Thanks for sharing and saving other's time.

  204. You are the man. Very elegant framing of the problem, and an even more elegant solution.

  205. After weeks of trouble, a 30 second solution. Thank you.

  206. Thank you, thank you for "the gift that keeps on giving." After two phone calls to help desks, multiple searches online, and at least 20 hours of working on this, your solution fixed my problem.

  207. I would like to thank you for being so helpful.

    Exactly! You are a genius!

  208. Yeah. OK. Now, I've passed that problem. Now, it's stuck on "acquiring network address."

  209. Thanks so much! This really helped me and saved my time!

  210. Thanks Aseem! I have an old Dell Inspiron 4000 that had been working great, until I removed and re-inserted the wireless card and received the certificate error.

    I followed your instructions and connectivity was restored, but then it almost immediately became limited (local-only). That was easily solved by re-booting the cable modem and the wireless router.

  211. Fantastic! I was at wits' end after changing from router brands.

    That saved days of ache. Thanks.

  212. That was wicked helpful! Thanks for posting!

  213. Awesome!! Finally got it working on my net book. It had been troubling me for about a month now! Finally got the wifi working on it. Thanks a lot for this helpful post!


  214. I followed the steps and the check box mentioned is grayed out so I can't check it. What do I do in this scenario?

  215. You are a freaking genius. Thank you so much, this took me a week to fix.

    For those of you who stated that the area is grayed out, go back and change your settings to "open" instead of WPA-TSK. Make the change and then reconfigure. Restart the computer. Reconnect and it should work. Good Luck!

  216. I can't thank you enough for your time and effort to solve this problem. I spent many hours myself and got no help from Adelphia cable my isp. You have done the job the isp should do.


  217. Thank you. Your solution solved the problem.

  218. Thank you so much! That was just what I needed. You saved me a ton of time wondering where that message could have come from!

  219. Thanks so much for this post! Made my life SO much easier after spending 30 minutes on the phone just to connect the router to the internet in the first place. LOL! :)

  220. great, easy to follow and works now, thanks

  221. Thank you! Was getting this message when trying to link my wireless to a loaner laptop from an office I contract for. After not having any luck with my IT support, I solved the problem after viewing this post!!

  222. Worked great for my Netbook, thanks! Unfortunately my desktop runs Vista. Does anyone know how to resolve the issue with Vista? Thank you in advance.

  223. Thanks dude. I wasted a few months unable to solve the problem. Ended up using the laptop with a wired connection. Your post helped.

  224. Thanks a lot mate! =) You rock! It worked perfectly!

  225. Well, my internet worked but the error was very annoying, because I have my taskbar hidden and on top of the screen (so when playing Minecraft, it would pop up and the taskbar would be on screen).


  226. Wow, thank you for posting this. It's exactly what I needed. Much appreciated!

  227. Thanks you very much for posting this 'fix' with such description. You made it very easy to follow and it worked perfectly. Thanks again!

  228. This solved the problem on every device in my house. Thanks for the info.

  229. Thank you so much for this. It worked immediately.

  230. THANK YOU!! You're a lifesaver!

  231. Thank you so much! I was stuck on this problem!!!

  232. I've followed these instructions, but I still get the same message about Windows being unable to find a security certificate. Any other suggestions? Thanks.

  233. Thanks you very much. It is very useful.

  234. Thank you!!! Worked like a charm. Love how I can find answers like this when my own support desk at work won't help me.

  235. Thank you! I really didn't want to have to call Linksys so they could remote connect to my computer and just poke around on my PC, get into my files, and change settings not related to the WiFi problem.

  236. Thank you so much! I tried to fix this for hours by myself, to no avail. Then, luckily, I found your directions (very easy) and it worked like a charm!

  237. Thanks a bunch! Was going crazy trying to log on for hours!

  238. For grayed out solution see…

  239. Thanks!!! This solved my connection problem.

  240. How long did I waste trying to solve this problem? If I only came here first. You sir, are a champion. Thanks so much!

  241. Very nicely done. It fixed my problem in moments. Thanks a lot.

  242. I had the grayed out problem and all the others. I fixed it by running my Windows updates. As soon as I did that, it has worked perfectly.

  243. OMG >>>> Exactly the answer I needed! I have been trying to get this wireless to work for who knows how long. Thank you!!!

  244. Hi.

    This page was quite useful. Now I can access the laptop wirelessly.

    Thanks a million.

  245. Thanks Aseem! Your suggestion worked like a charm!

    Appreciate that you put the resolution online for others to benefit from it!

  246. Thank you! This fixed the problem, now, I am able to connect.

  247. Thanks, Aseem! The wireless icon trying to connect was driving me MAD and the procedure you left out for the destitute has calmed the nerves. I will vote you for the Nobel Peace Prize.

    Thanks, again, Aseem!

  248. Hello. I have this already checked, but it didn't work for me. I'm still get the same thing.

  249. Thank you so much! You ended my frustrations in less than 30 seconds!

  250. This wasn't my issue, but the problem is Fixed!!

    Short version : Make sure your router security protocol matches the one on your wireless device, i.e., WPA_PSK/AES on both router AND laptop.
    I had switched to WPA-PSK from WEP and had set the security on the router to WPA-PSK/AUTO. On my laptop windows config, I had to choose a settting of either WPA-PSK/AES or WPA-PSK-TKIP (I had it set to the AES). This is when I started getting the "Windows is unable to find a certificate to log you on" error.

    When I went into router config and switched from WPA-PSK/AUTO to WPA_PSK/AES, the problem went away!


    You really should be a professional helper of newbies to computers, your way of explaining is just perfect!

    Thank you very, very much!!!

    God Bless, Sam.

  252. Worked on my desktop all day today and half of last night. My laptops all worked but the desktop wouldn't budge. I found your advise today around 5:30 and the problem was fixed by 5:35.

    Thank You!!!

  253. You are the BEST! I tried for 5 hours to change from WPA to WEP on 3 computers. I was getting so confused and you provided exactly what I needed.


  254. Great help. Problem solved. Thank you!

  255. Thanks a ton, great inputs. Had same problem in my Netgear router.

  256. Ahahahhahahahaha, this is ridiculously funny once you find out how simple it is.

    Thanks a lot. Saved me lots of trouble. Great guidelines and all.

  257. Thank you very much. I had tried my service provider and a reputable computer repair shop without success.

  258. Excellent information. Worked like a charm.

    You are a life saver!!!

    Many thanks.

  259. Thanks, it's working fine. After I unchecked the "Enable IEEE 802.1x authentication for this network" box, my internet speed also increased. But I have one question: Is this task safe for my Laptop? Any chance to hack or coming virus?

  260. Just adding to the multitude of thanks. Thank you.

  261. Thank You so much for posting it.

  262. It worked perfectly. Also, the direction was very clear.

    Thanks for the work.

  263. Thank you so much for this great article!

  264. Thanks for posting this.

    It solved my problem.

  265. I am so relieved.

    New router. Did everything right. On and on and…

    Search for certificate wireless network. Find helpdeskgeek link to The Answer.

    Not a lot of exaggeration here: You just saved my life!

  266. Right On. Thanks for posting this. I had the exact issue – laptop connected to new wireless router just fine but desktop would not. Your solution was dead on.

    Thank you, again, for saving me another headache!

  267. Thanks a million. You saved me unknown hours of grief!

  268. Thank you. It worked for me too. After looking for hours on my own, I couldn't figure it out. Until I found your post. Thank you!

  269. Very very helpful information. My computer is now fixed fully.

    Many, many thanks.

  270. Didn't work for me. I'm now getting a yellow triangle saying I have limited or no connectivity.

    Thanks, though, it was worth a try.

  271. Good stuff! I've been looking for information on how to fix this issue for some time now. Thanks for posting this fix! Your screenshots helped fix many laptops having this issue as well.

    Cheers from Malaysia!

  272. Good job, buddy. This is really a good fix. Windows should know better.

  273. You are terrific! I was trying to figure it out over and over and came so close with no luck. This took me less than a minute, and like that – you saved me such frustration! Thank you for taking the time to share this!!

  274. Excellent. It was like a hot knife through butter – done in a jiffy!

  275. Thanks a lot. It also saved me many hours of grief. Fixed the problem right away.

  276. Many thanks. Very useful note!

    Best Regards!!!

  277. Awesome, this fixed my problem immediately!

  278. Thank you sooo much. This was driving me insane!

  279. This helped me & a thousand people on the net!! Thanks!!!

  280. Always the same comment! Thank you very much.

  281. Thank god for you clever people! Worked immediately! I had a connection before, but it was annoying, because it kept searching for the certificate.

    Many thanks!

  282. Thank you for fixing this for me. I normally use a Mac so it wasn't until I needed to connect an old Toshiba that the 'certificate' problem reared its ugly head. Fortunately your instructions made sorting it out a doddle.



  283. If you have WIndows XP and get the new Netgear N600 you must update with KB893357 from Microsoft.

  284. Awesome help! Thanks so much!

  285. Thanks for the post. It helped me considerably!

  286. Didn't fix mine. :( Still getting the same error. It's unchecked.

  287. Thank you, but mine still does not connect! What do I do?

  288. WooHoo. Thanks a lot, mate. I've been trying to figure this one out for a while now.

  289. Thank you. This is very helpful.

  290. Here's one for you. I'm getting this error message, but that little box is already unchecked. I can't really do anything with the authentication tab because everything faded out, too. This might help: I'm leaching off a business network that I hacked into. It's running WPA encryption. It was way too simple to get in, because the network name was the password.

  291. Perfect. Exactly what I needed. Thanks!

  292. Thank you. I've spent hours trying to get this thing to work. It shouldn't be this difficult. Microsoft should make this much simpler.

    Once again, thank you.

  293. Thank You so much!! I honestly paid a pair of idiots 200 dollars when I had high speed hooked up to set up the wireless router. And guess what? On my laptop, they couldn't get it. They had it somehow authenticating the user forever. It would kick you off five million times. And ta-da! With your advice, it works. I am thrilled. I still think those idiots should give me my money back, other then the cost of the router, but hey, lol :)

    Thanks a million.

  294. Thanks for this post. I was having this issue, now I fixed it. :)

  295. Finally, someone was able to help me!

    Thank you!!! Even my IT department didn't know what to do about this message! Very helpful indeed!

  296. Much appreciated!!!! Had me going for a while. Lucky to have found this post.

  297. I would like to add my voice to the many kudos already posted for this most excellent tip. Thank you so much for sharing your expertise!

  298. Thanks so much. Your posting was right on target. The information solved my problem and saved me about $150. After following your advice, there was no need to hire computer repair technicians.

    Once again, thanks so much!!

  299. Hi.

    I bought a PCI wifi card, installed it perfectly fine. Then, I found I was having this same problem and after stumbling across this post on my laptop and following the steps I thought I'd found the solution! However, when I load Internet Explorer it still comes up with the "The page cannot be displayed" page. Help?!? The wireless network connection status claims it's connected and the signal strength is full.

    Any help is much appreciated!


  300. Thank you very much. It really really helps a lot!!!

  301. Thank you so much. I was facing the same problem for a long time.

    Thanks a lot. It helped me to connect the network.

    Keep posting the good things.


  302. Thank you! It's getting harder to find solutions to Windows XP problems now that Win7 has been taking over, so this really helped. I recently set up an older computer on our existing work network, but couldn't figure out why the connection kept cycling on and off. Three days screwing around with different settings, and then 15 seconds here had it solved. (On a side note, it's amazing what a proper error message will do for troubleshooting.)

  303. I found this post pretty quickly because I'm really smart, but it immediately solved my problem. For that, I thank you. Stay thirsty, my friend.

  304. Thank you. I was absolutely stumped. Easy fix.

  305. Thanks a lot. I appreciate your efforts.

  306. This was the most helpful post I've ever read in the history of the internet! Very helpful, easy and quick!

    Thank you!

  307. Thank you so much for this information. I switched my router from a G to an Xtreme N and got this message for my laptop. I followed your instructions and it did work immediately. Now, my house guest will be able to do the same.

  308. Thanks. I was racking my brain. This helped a lot.

  309. This fix worked just fine. The steps were just a little different because my laptop is running Windows XP, but it was simple to figure out. Thank you very much!

  310. Thanks for your help. I tried checking my wireless adapter authentication just like you advised. ''Enable IEEE 802.1x…" was unchecked and ''Authenticate as computer when computer information is available'' was checked.

    But everything in the Authentication window is inactive, so I am not able to make any changes to the Authentication properties.

    Please, how do I resolve this?

  311. Thank you soooo much for this post! This was indeed the solution to my problem! You are a life saver! I'm all connected to the internet now and good to go!

    Couldn't be happier! :)

  312. Thank you so much. It's a fast and clear explanation and it really helped me out!

  313. Thanks, mate! I tried to solve this problem with information given on other websites but, yet, it didn't work out.

    You, on the other hand, have provided a precise solution to the problem with screen shots! That is very thoughtful of you.

    Thanks, once again, and keep up the good work.

  314. Thanks! I just googled my problem and yours was the first website to pop up. You solved my issue!

  315. Awesome!!!

    I did exactly what you said and now I can connect to my router with no problems.

  316. Awesome! I'm sure it would have cost me a fortune to have someone figure that out for me!


  317. Thank you so much, it really helped reduce the time I would have spent in tweaking around. It helps that you also put up screen shots.

  318. Right on the dot. Thanks! It worked like a magic.

  319. I did all the actions which you advised but when I go to authentication the Enable IEEE box is unchecked and grey. The only box that is checked is authenticate as computer when computer info is available. I still cannot get on. Please help


  320. Adding to my last post to you. I went into my local area connection/ properties/ authentication and I noticed there is a box Enable IEEE which is checked/enabled. Should I uncheck this box also? I do not have this problem at work or if I go to a store where there is wireless. This is a linksys and I have windows XP. Thank you, Joe.

  321. Thank you so much for the step-by-step solution on this. Other items I found talked about this checkbox but I could not find it on my daughter’s EEE PC — you were a huge help!


  322. Thanks a million….Really appriciate your help.. :-)

  323. Thank you thank you thank you!!!! It worked and I have saved this information just in case this happens again! :))))

  324. Thank you so much for sharing. Google sniffed it and put it elegantly on top of my search. You gotta love it. Not Win XP.


  325. Thanks. Though this did not solve my problem automatically, tt gave me some missings leads which helped me alot.

  326. It took me a while to find YOU but you saved my sanity and my nerves.

    THANK YOU…………

  327. hi

    i followed the steps but afterwards i am getting this message, "limited or no connectivity".. would anybody help me on this? i am not a techie person.. ^_^

  328. Excellent step-by-step instructions. Worked like a charm! Thanks for taking the time to post this information.

  329. Excellent walk thru… still pertinent to us who are slow to change!


  330. i think this is the most easiest and authentic solution for the users with least knowledge of networking…IT worked for me ! Thanks a LOT.

  331. after doing all of this it only worked after i unplugged the router.

  332. Thanks so much Aseem. I was experiencing this issue past few months, somehow didn’t google it as I gave my laptop for some work and I decided that must have messed up the wireless.

    Today I just wanted to give a try and your solution fixed my wireless problem and now i am able to connect.

    Thanks so much for sharing this valuable information :-)



  333. Excellent. Thank you so much. This fixed the problem instantaneously!

  334. Excellent ! it works. Thank you so much Aseem, you ended my frustration. ^ Perfect Solution^

  335. Thank you for your help. I followed your instruction and it fixed my computer's problem.

  336. Thank you! I've been pulling my hair out for two hours until I ran across your fix. Thank you so much!

  337. Great…saved me hrs of pain!!
    Keep up the good work!

  338. Thank You for a quick fix to my problem. I appreciate the fix. Good Job!!

  339. Excellent, straight-forward advice. As a couple extra's that might help someone else I found the first time I unchecked the box the message came back and wouldn't connect. I then realized you must click "OK" to exit the Authentication tab and then click OK again to exit the Wireless Network Connection box. A second reminder was to also use your new wireless network key password if you had changed it prior to trying to log on with your laptop, netbook, etc. In my case it was still automatically putting up the old key.

    That said, great info….

  340. That box is checked but it's greyed out and I can't uncheck it..

  341. Thank you tons, that popup message was really pissing me off :D

  342. Thank you for this! Just moved in with a friend and for the first time ever when trying to connect to a wireless network, got this error message and I was at a total loss. Your fix worked and I'm now on the right network!

  343. You are brilliant!!! Spent an hour at my local computer services business to no avail… read your post and voila… I'm connected wirelessly!!! Thank you thank you thank you!!

  344. mine didnt work pls help im still getting the certificate error

  345. Now it’s saying “Waiting for Network” But nothing is happening. Still no connection :-(

  346. I followed the directions completely and I am still getting the same "certificate error"….do you have any other suggestions. I have tried/attempted various setting changes but still getting the error…

  347. thank you so very much! Great, clear directions that actually worked though I did have to do a bit more fooling with it so it would ask me for my password.

  348. Thanks Aseem. This article Really helped me. I tried half a day to connect my desktop. Then I checked my laptops (which did connect). i tried calling my router guys & ISPs. tried a lot of "irritating " connecting-reconnecting.
    Finally one Google search-> got me ur article-> and its workin wonderful. Keep posting ur articles

  349. You just saved me a whole lot of anger/frustration/computer throwing/time wasting.

    You’re me hero, and I love you.

  350. Worked perfectly the first time with no problems. Thanks VERY much!

  351. wow thanks so much, it worked, I LOVE YOU!

  352. I took back a customer’s machine today and ran into the pesky error for the first time. Very embarrassing for me.

    Anyhow, a quick google search brought me to your “help desk”. That solve the issue and I was online in a few seconds. Thanks for sharing. Ron N.

  353. Unfortunately, it did not work for me. I am connected to my own website but I cannot get into it to use it. I had to reinstall my XP software and added Office 2010. I just can’t figure it out! Help!!

  354. Wow, thanks a bunch….have been trying forever to get around this error message. My IPad would log on fine, but the Windows XP laptop would not. Even traded in linksys for a belkin router, thinking a “N router” might work better, but same results. Will go try this fix right away!!

    Thank YOU!!

  355. Man, thanks so much for your help!!!

  356. Thanks a million bud, worked like a charm.

  357. Thanks you saved me so much time!

  358. GREAT! Thank you dear it worked for me.

  359. Unchecked box, but now windows will not take my password. Something about the bit size of the passwords or character length. HELP!!!!!!

  360. Thank you a million times … worked perfectly!

  361. Thanks for the fix. Has been driving me crazy. My desktop was the only error I was getting this on.

  362. Thank you so much!!!! This worked perfect!!! You rock!!!

  363. That did the trick!!! Thank you for posting this!!! I was frustrated right before reading this.

  364. Thank you very much your visual displays helps a lot. Highly appreciated!!!

  365. Thanks man, I could not figure out what was wrong, lol. Your post is 3 years old and still helpin’


  366. I was all over the net looking for a solution…WOW…Thank you!!!!

  367. Thanks for this advice! Saved me a whole bunch of trouble as I was to deliver training this morning and I’d never even seen this before! You are a star!!!!

  368. Thanks `~~ MIcrosoft support was useless ~!!

  369. I had the password wrong and I got this message.

  370. Thanks a lot u really helped me!!!!!!!!!!:) :) :)

    I am Shelly from hong kong

  371. This was a lifesaver for me. After hours of tinkering with the router in our office, I finally got ahold of this solution and found that it’s not with the router but with the laptops in the office. Whew!

  372. Thank you ! You helped me with this post.

  373. I have same problem . The area is grey and unchecked, i cannot check or uncheck, if any one can help me? pleaaaaase…

  374. Unfortunately, that box was already unchecked so didnt solve my problem :( but great advice for others!

  375. Thank you so much for this! You saved me from endless hours of despair!

  376. This worked, thank you so much for your help!

  377. Thank you! This has been driving me nuts for weeks.

  378. You saved my life. Thank you so veryyyyyyyyyyyyyyy much!!!

  379. This did not work for me, I am still unable to browse the internet because of this issue.

  380. I was having problems accessing the Internet with my netbook and was advised by a tech-friend to uninstall the adapter, turn off and restart the computer, and it would reinstall the adapter automatically, which might fix the problem. When I did that, the certificate error popped up, which he didn’t know how to fix. Your article and those wonderful screenshots helped me–and apparently so did my tech-friend–because now everything is working perfectly. Thank you very much.

  381. Great stuff thanks. Found your answer straight from goolge and sorted the problem in seconds – thanks for posting.

  382. Thank you so much! We use our router to provide wi-fi to our customers and to our other computer in our building. Kept getting the stupid error message. Now, because of you…it’s fixed! Thanks!

  383. Thank you very much. I try to delete and reconnect the network many times but it not work.Thank you so much.

  384. i went through all of these steps but the enable did not have a check mark in it , so i am back to square one . any suggestions ?

  385. Thanks a lot for support. Problem solved.

  386. Thanks heaps for this! I was messing around trying to get my wife’s computer to go back online after it mysteriously stopped working and this page helped me fix the issue within a minute. I was so close to finding the same solution myself, but it never occurred to me to uncheck that particular checkbox until I saw your tutorial. Thanks again! Why does Bill’s team want to foul us up all the time?

  387. This Was So Freaking Helpful!!!!!! Thank you so much!

    We just got a WiFi Extender and I was having the Devil of a time setting up my Dad’s laptop to connect, it kept giving me this Certificate bs. I was searching high and low for whatever was the problem and no luck, then I found your How-To and it saved me so much stress!!!!

    You Rock!!!!

  388. This does not fix my issues – I have a similar problem – the same error message re a certificate, I have followed to the letter the instuctions – 3 other PCs and 2 smart phones work perfectly. I had Vista (Which was a disgrace) and I reinstalled XP – windows kept telling me my Vista was pirated!

  389. Thanks so much!!! No words your intelligence!

  390. Thanks for the great tip, works very well.

  391. Let me make it 499… Thanks…You’re the best…

  392. Friend, fabulous job!!! Thanks for posting this. It helped me :)

  393. I’m getting the same error with my desktop because my dad recently bought a new router and modem as well. I followed these steps and it stop saying it couldn’t a certificate but now it says I have ‘limited or no connectivity’.

    Why? Just why? What always seems to be an improvement or upgrade always leads to a failure or dysfunction with technology.

  394. Thank you very much for this tip. Sunday night, should be easy to connect…..pull out hair time. Great to have souls like yourself helping out us clueless! Thanks again!

  395. Fantastic . Thank you , so helpful

  396. Thank you. I thought that I did something while removing unwanted programs. Your advice saved the day!

  397. THANK YOU!!! Saved me from pulling my hair out.

  398. So simple?? Damn! You’re smart!! Thanks, dude!

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