Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.
Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...
XDA Developers on MSN
Microsoft's Secure Boot certificates expire in June 2026, but older PCs may never get the fix
Make sure you've updated before the deadline.
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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.
Microsoft has renewed its warning that Secure Boot certificates used across Windows systems must be updated before 2026, ...
How to check your Windows PC for expiring security certificates - a big one is ending soon ...
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