Fortunately, there's a workaround.

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

Windows 11 Enterprise and IoT get an update disrupting shutdown and hibernation functionality, but a more manual shutdown is still possible.

It just requires a single patch.

Microsoft has rolled out a fix for the problems affecting some users of its Secure Launch feature.

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 ...

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

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

Microsoft's January 2026 update broke shutdown and Remote Desktop on some PCs, and the company has now pushed emergency ...

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 ...