Fortunately, there's a workaround.

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.

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

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 battery.

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 ...

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

Microsoft has issued an urgent fix for Windows 11 after a recent security update caused several major issues with the ...

Microsoft’s first major Windows 11 update of 2026 released on January 13 introduced a concerning bug that caused some PCs to ...