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

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

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 ...

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

After the first update stopped PCs from shutting down or going to sleep, the latest one halts the boot-up process. Microsoft ...

There's a surprising amount of code running before the OS even loads.

Frustratingly common for PC users, boot problems can stem from a variety of software and hardware glitches. A particularly frequent issue is when a Windows computer ...

Technology has become a critical part of everyday life-whether you're managing files for work, attending online classes, running a small business, or simply enjoying entertainment at home. But ...

The easiest way to fix most of the problems in Windows 11/10 PC is to RESTART THE PC! It is also the first question asked by any person from who you seek technical help. Have you tried restarting the ...