Fortunately, there's a workaround.

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

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

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 ...

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 ...

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

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.

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

As reported by Windows Latest, Microsoft has now “released fixes for at least two bugs.” Specifically, the shut-down failure ...

Sleep mode is convenient, but it isn't the same as shutting down. We break down the difference and why it can affect performance and battery life.