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

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

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

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.

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

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The “bootrec /fixboot access is denied” error usually occurs when trying to fix Windows 10 boot error. If by any chance, you’re faced with the same dilemma and ...

When launching Battlefield 6, some players may encounter error messages related to Secure Boot. This issue can be frustrating. It usually occurs because BIOS or UEFI ...