The Register on MSN
Microsoft probes Windows 11 boot failures tied to January security updates
Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is investigating reports that its January 2026 security updates are leaving some ...
Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.
This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...
Morning Overview on MSN
'Fail to shut down': Microsoft issues urgent Windows update alert
Microsoft’s latest Windows 11 security update was meant to harden PCs against stealthy firmware attacks. Instead, it has ...
Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...
In confirmed cases, Windows 11 boot failure occurs post-update, with the machine stuck at a black screen and unable to ...
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