Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs after updates.
When the bug first appeared via the Jan. 13 KB5073455 security update, it was limited to Windows 11 version 23H2 Enterprise ...
It just requires a single patch.
After the first update stopped PCs from shutting down or going to sleep, the latest one halts the boot-up process. Microsoft says it's investigating the problem.
UPDATE 1/19: Microsoft has rolled out a fix for a bug that prevents some users from shutting down or putting their Windows 11 computer to sleep. The update, titled KB5077797, was released by Microsoft ...