How to check your Windows PC for expiring security certificates - a big one is ending soon ...

Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

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Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.

For three days, system administrators have been troubleshooting errors that have prevented Windows users from running applications such as QuickBooks and Avatax. We now know the cause: an unannounced ...

A Microsoft root certificate is expiring at the end of this month, and Microsoft warns that removing it could cause problems with the operating system. Earlier this month, BornCity reported that the ...