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

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously ...

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

Round and round we go.

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

The most recent January Windows Update is broken on a number of PCs, but at least virtual machines don't seem to be impacted.

Another week, another big Windows problem.

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

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

Round and round we go.

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

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 ...