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

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

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

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

Usually, whenever a new feature comes out for Windows, Microsoft advertises it widely in a blog post to let everyone know. Or if they don't, people discover the feature soon after an update. However, ...

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, ...

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

The fix is for a bug that prevents some systems from shutting down, while another bug that prevents hibernation has no workaround yet.

Microsoft has released an emergency update to fix a Windows 11 problem that caused some computers to restart instead of shutting down or entering hibernation.