Security has always been one of Microsoft’s favorite marketing buzzwords, and never more so than when Windows Vista was introduced. But as it turns out, Vista’s security features are quite a bit more useful for protecting
your PC from itself than from any alleged intruders.
You can lock a registry key to prevent employees from installing software [...]

If you try to open a file on a computer that is running Windows  over the network and the file is open on another client computer that has sharing restrictions, there is a delay of approximately one second before the sharing violation error message is returned.
If a client application is accessing a number of files [...]

Prefetch is a feature, introduced in Windows XP, that stores specific data about the applications you run in order to help them start faster. Prefetch is an algorithm that helps anticipate cache misses (times when Windows requests data that isn’t stored in the disk cache), and stores that data on the hard disk for easy [...]

If you want to improve your searches, the best place to start is with the indexing feature itself. In Control Panel, open the Indexing Options window to show the folders in which Windows currently looks for files.

Most components directly attached to your motherboard—including PCI slots, IDE controllers, serial ports, the keyboard port, and even your motherboard’s CMOS—have individual interrupt requests (IRQs) assigned to them.
An interrupt request line, or IRQ, is a numbered hardware line over which a device can interrupt the normal flow of data to the processor, allowing the device [...]

By default, the Quick Launch toolbar comes with a Show Desktop button, which allows you to quickly hide all open windows and access stuff on your desktop, and then quickly bring them all back when you’re done.
But what if your Quick Launch toolbar doesn’t have one? If your Show Desktop icon got deleted in Windows [...]