Your PC's critical security certificates may be about to expire - how to check ...

Windows 11 is refreshing Secure Boot keys in 2026. Here's why TPM-WMI Event ID 1801 appears, and how to verify the new certificate.

Having your computer check for certificate revocation on a server tells you if the certificate being used has been revoked by the certificate authority before it was set to expire. Internet Explorer ...

Security certificates are used for a range of purposes. Among these include identity verification, file encryption, Web authentication, email security and software signature checking. Every ...