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

It just requires a single patch.

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.

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