Microsoft investigates Windows 11 boot failures after January updates

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

Microsoft Confirms Windows 11's January Update Is Bricking Some PCs

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

Microsoft suspects some PCs might not boot after Windows 11 January 2026 Update (KB5074109)

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

Windows 11 update may stop some PCs from booting, warns Microsoft

Microsoft has posted an online bulletin confirming that the company is investigating reports that state Windows 11's latest ...

Some PCs are failing to boot after this month's Windows update

Another week, another big Windows problem.
Ars Technica

System won't boot: UNMOUNTABLE_BOOT_VOLUME STOP error

I've got an interesting problem... my laptop (running XP SP3) is giving me a BSOD while it's booting. The pertinent information from the BSO <BR><BR>UNMOUNTABLE_BOOT_VOLUME, STOP 0x000000ED ...
TWCN Tech News

UNMOUNTABLE_BOOT_VOLUME Blue Screen on Windows 11

Out of all the Blue Screen errors, the worst one, in my opinion, would be the one where your computer cannot even boot properly. Because of this, even if you want to reinstall Windows, you cannot back ...