Get ye to Windows Update, because there's a good chance you've got new Secure Boot certificates to install. Microsoft just announced that it will be refreshing those certificates, which were ...
Microsoft's Secure Boot certificates expire in June, and unless you've enrolled in its 'Extended Security Updates' program, ...
Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026.
Microsoft warns Secure Boot certificates will expire June 2026, updating PCs automatically to maintain boot-level security.