Microsoft has confirmed a new issue that prevents Windows 11 23H2 devices with System Guard Secure Launch enabled from shutting down.
This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...
Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...
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.
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