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

Windows 11 KB5074109 is causing crashes, reboots, black screens, and BSOD errors for some users, but workaround is available.

Microsoft’s first major Windows 11 update of 2026 released on January 13 introduced a concerning bug that caused some PCs to ...

Windows 11 Enterprise and IoT get an update disrupting shutdown and hibernation functionality, but a more manual shutdown is ...

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...

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

Microsoft issues second emergency patch for Windows this month - update your PC today ...

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

Microsoft has issued an urgent fix for Windows 11 users after a recent security update, which was released on January 11, ...

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