Microsoft has blocked this week's monthly and security-only Windows 7 and Windows 8.1 updates for Sophos antivirus users after widespread reports that computers failed to boot after installing them.

For the second time since Windows 7 reached the end of support on Jan. 14, a bug is causing trouble for users still clinging to the operating system. The first bug, related to setting a wallpaper ...

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 ...