Why it's a problem roughly 11% of the computers in the world are running this obsolete operating system. Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, ...

This is a weird problem: I cannot change the background on my desktop to anything other than a solid color. When I go to personalize, it shows the desktop background I selected (Harmony), but the ...

Suppose you feel that a consistent lag bogs down your Windows 7 PC’s performance. It might be time to reinstall the OS. From registry issues to malware to being overstuffed with large amounts of ...