Windows 11 now shows Secure Boot certificate status in Windows Security. Learn what the new alerts mean and what actions you ...
Windows 11’s Secure Boot 2023 updates are failing across some PCs, exposing a wider firmware problem
Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.
Microsoft's 2011 Secure Boot certificates expire June 2026, leaving millions of Windows 10 PCs vulnerable to boot-level ...
Microsoft's old Secure Boot certificates expire mid-year. The Windows Security app displays the update status.
Windows 11 now shows Secure Boot alerts to help users prepare for 2026 certificate expiration and avoid security issues.
Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the January 2026 Patch Tuesday security updates. The issue ...
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