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.

Windows 11's latest security rollup is doing something users expect only from horror movies and stubborn smart bulbs: some PCs simply refuse to power off. After installing the new Patch Tuesday update ...

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 ...

Microsoft’s first Windows 11 security update of 2026 broke shutdowns and some Remote Desktop sign-ins. Microsoft has released ...

After the first update stopped PCs from shutting down or going to sleep, the latest one halts the boot-up process. Microsoft ...

Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.

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

As reported by Windows Latest, Microsoft has now “released fixes for at least two bugs.” Specifically, the shut-down failure on older PCs running Windows 11 23H2 and a “much more widespread” remote ...

Microsoft's first Windows 11 update of 2026, specifically KB5034763, caused shutdown and restart failures for some users.

Microsoft has released multiple emergency, out-of-band updates for Windows 10, Windows 11, and Windows Server to fix two ...