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

Fortunately, there's a workaround.

I added a kill switch for my Windows PC right on my Android home screen.

Microsoft’s first Windows 11 security update of 2026 broke shutdowns and some Remote Desktop sign-ins. Microsoft has released ...

Microsoft's January 2026 update for Windows 11 has led to a shutdown bug affecting a minor group of users, causing systems to ...

Microsoft has acknowledged a serious power-state regression affecting Windows 11 version 23H2 systems after the January 2026 ...

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

A new bug in the January 2026 Windows 11 update is preventing PCs from shutting down. Here is the temporary fix to save your battery.

That said, Microsoft also says “there is no work around at this time for entering hibernation.” Be very careful. “Until this issue is resolved, please ensure you save all your work, and shut down when ...

Since the January update from a few days ago, some PCs running Windows 11 are reportedly unable to shut down properly. Microsoft is aware of the issue.

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