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

Windows 11 January update is triggering black screens, Outlook crashes, and remote desktop sign-in failures, for home and ...

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

Why you need Microsoft's new emergency Windows patch - and the black-screen bug to watch for ...

A recent Windows Update pushed out by Microsoft has been causing big problems for some Windows 11 users, leading to heavy ...

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

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

Neowin also notes another dark side to this latest issue. “Interestingly, Microsoft came up with a technical solution for ...

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

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...

Microsoft has released the KB5062660 preview cumulative update for Windows 11 24H2 with twenty-nine new features or changes, with many gradually rolling out, such as the new Black Screen of Death and ...