Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for ...

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 to go to Windows Recovery Environment to uninstall the offering update just ...

In confirmed cases, Windows 11 boot failure occurs post-update, with the machine stuck at a black screen and unable to proceed to the login or desktop.

If your Windows 11 computer is stuck at Edit Boot Options for screen, follow the below solutions. Reset the CMOS Battery Use a wired keyboard Disable the Edit Boot Options screen Reset BIOS to its ...

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is investigating reports that its January 2026 security updates are leaving some ...

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security updates. Users have reported encountering “UNMOUNTABLE_BOOT_VOLUME” errors, ...