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

Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is ...

Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...

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

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

The first Windows 11 update for 2026 has caused unexpected trouble to some users and prevented the affected computers from ...

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and ...

Microsoft explains how Shift + Restart once enabled a fast reboot in early Windows and why modern Windows no longer supports ...

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

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...

A bug in Windows 11 is crashing Explorer.exe, which could make your desktop UI disappear, including the taskbar.