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

A Windows security update bug has prevented some Windows 11 24H2 and 25H2 users from booting into their PCs, requiring them ...

Dealing with the "Your PC did not start correctly" error on a Windows 10 or 11 computer can be quite troublesome. This error usually pops up when you try to boot your ...

Troubleshoot Highguard launch issues with our guide covering Secure Boot, Easy Anti-Cheat, file integrity checks, and more.

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

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 ...

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

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

Struggling with GPT header corruption in Windows 11? Discover proven, step-by-step methods to repair your disk without losing ...

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

While doing some disk swapping yesterday, I kinda screwed things up. I had used Clonezilla to clone my 500GB SSD to a 1TB SSD and that went off without a hitch. Unplugged old system drive and the ...