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

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, ...

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.