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.

It's not just January's one.

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

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

Microsoft released unplanned updates over the weekend. They correct errors in the January patches and bring new boot certificates.

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and ...

Another week, another big Windows problem.

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

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...

If you see the error message The Windows ISO file is too large while using Boot Camp Assistant on a Mac PC, read this post. We will show you how to troubleshoot the ...

I am in charge of upgrading a small computer lab from Windows XP to Windows 7 and I'm having a hell of a time with it. One quirk of these computers is that they don't have a DVD drive, so I've made an ...