Microsoft ships Windows 11 KB5074105 to Insiders, raising builds to 26100.7701 and 26200.7701 and addressing multiple system issues.

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.

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

A bug in Windows 11 is crashing Explorer.exe, which could make your desktop UI disappear, including the taskbar.

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 ...

Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...

If you encounter a Blue Screen on first boot only when you start it the first time in WIndows 11/10, use the following fixes: Clearing CMOS usually fixes booting issues. You can also try this. Please ...