Microsoft Root Certificate Authority 2011.cer |best| Official

A root certificate is a self-signed digital certificate that represents the highest level of authority in a security domain. The specifically:

In enterprise environments, the root is often pushed via : Computer Configuration → Windows Settings → Security Settings → Public Key Policies → Trusted Root Certification Authorities . microsoft root certificate authority 2011.cer

Without this root certificate in your system’s "Trusted Root Certification Authorities" store, your OS might block essential updates or display security warnings when you try to install software like the .NET Framework 4.7.2 on Windows 7 Why is everyone talking about it now? A root certificate is a self-signed digital certificate