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

Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Another week, another big Windows problem.

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

Some users have complained about this problem that when they start their computer, it doesn’t boot. Instead, a Default Boot Device Missing or Boot Failed blue ...

If your PC is not booting and showing an "Inaccessible Boot Device" error, then here is a fix to resolve this issue and make your PC function normally. The ...

If during installation, you receive an error message The selected boot device failed, Press <Enter> to Continue then know that this error can occur when you use a USB ...

My system has had frequent random lockups for some time, so my last resort was reinstalling Win2k. Before I installed anything on it, it locked up and has locked up with the same frequency ever since.