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 investigating reports that its January 2026 security updates are leaving some ...

In a surprising turn of events, Microsoft has confirmed that its January 2026 security update, KB5074109, is causing significant boot issues for some Windows 11 users. This latest development ...

In confirmed cases, Windows 11 boot failure occurs post-update, with the machine stuck at a black screen and unable to ...

Microsoft’s January 2026 security update for Windows 11 is continuing to cause problems for users. This comes after the patch ...

Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to ...

The new Windows 11 Start Menu addresses a string of user complaints by simplifying app access, reducing clutter, and ...

Microsoft has had to issue two out-of-band updates to fix its buggy Windows 11 patch.

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

Microsoft keeps adding features to Windows 11 — but users get angrier. This column breaks down why the real issue isn’t ...

After Windows 11 January 2026 update, we're seeing reports of other issues, including a sleep problem (S3), and more.

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