: This indicates the certificate chain was issued by an untrusted authority.
The is a foundational digital certificate used by Microsoft to sign intermediate certificates, software drivers, and various other security components, ensuring they are trusted by Windows operating systems . As a "root" certificate, it acts as the top-level anchor in a chain of trust. Without this certificate, or if it is missing, corrupted, or expired, users may face system instability, failed installations, and warnings regarding untrusted software or secure websites. Valid From: July 8, 2011 Valid To: July 8, 2026 Thumbprint (SHA1): F252E794FE438E35ACE6E53762C0A234A2C52135 microsoft root certificate authority 2011.cer
The Microsoft Root Certificate Authority 2011.cer is a digital certificate file. It represents a top-level authority that Microsoft uses to sign other certificates, including those used for: : This indicates the certificate chain was issued
Act now: Secure Boot certificates expire in June 2026 - Windows IT Pro Blog Without this certificate, or if it is missing,
Run certutil -generateSSTFromWU roots.sst to download the latest certificate trust list from Windows Update.
Without the microsoft root certificate authority 2011.cer installed in your system’s Trusted Root Certification Authorities store, Windows will experience severe operational failures. 1. Windows Update Functionality