Not long after Microsoft released April’s Patch Tuesday for Windows 11 did some users start complaining of serious problems.

Microsoft’s January 2026 Patch Tuesday updates for Windows 11 have been linked by Microsoft’s own documentation to a bug that can cause apps to freeze or throw errors when users try to save files to ...

Microsoft released an emergency out-of-band update for Windows 11 on March 21, 2026, to resolve widespread sign-in problems affecting Microsoft accounts in apps and services following the March 10 ...

Microsoft fixes Windows Server bug that caused unintended 2025 upgrades. Admins can safely check for updates again.

The Windows security updates, especially for servers from April, have partly severe side effects. Some Windows servers ...

Microsoft acknowledged problems logging into private Microsoft accounts overnight on Friday and attributed them to the Windows security updates from the March Patchday. The company released ...