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 ...

Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the January 2026 Patch Tuesday security updates. The issue ...

Q. My Windows XP computer won’t start up and gives me an “unmountable boot volume” message. Can this be fixed or is the hard drive shot? A. The “unmountable boot volume” message typically has three ...

I actually had this problem at work on a Windows 2000 machine last Friday. I booted off the CD and tried an automatic emergency repair (without an ERD). It stopped BSODing, but as soon as the machine ...

January update triggered UNMOUNTABLE_BOOT_VOLUME BSODs, leaving some Windows 11 PCs unable to boot. A failed December update rollback left devices in an improper state, and January's patch worsened it ...

Windows 11 users are advised to avoid a new system update from Microsoft after some were left with computers that refused to boot. The update in question, KB5074109, is also breaking other areas of ...

A fresh wave of Windows 11 update trouble is making the rounds, and this one is about as disruptive as it gets: some PCs reportedly can’t boot after installing the latest January 2026 security update.

greetings. JUST recieved a new dell about a week ago and it has worked great since I got it. it was accidentily unplugged while it was on and now when i re-boot it says: unmountable_boot_volume. I ...