When the bug first appeared via the Jan. 13 KB5073455 security update, it was limited to Windows 11 version 23H2 Enterprise ...

Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs after updates.

Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.

Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Last week's security patch is the latest buggy update that impaired some PCs. Take these steps before and after an update to ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...

Everyone knows about pressing the power button on your PC to force a shutdown, but if that doesn't work and nothing else does, you may have to rely on "Emergency Restart", a special, albeit drastic, ...

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...