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

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

Microsoft is aware of an alleged issue that leaves PCs unable to boot and requires manual recovery after Windows 11 January ...

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

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and bricks your PC? Ask Windows users.

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

Another week, another big Windows problem.

Saving a PC can go from very hard to extremely easy once you set this up.

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

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

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

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