Net Framework 4.7 2 Windows 7 Certificate Chain Error May 2026

: Get the Microsoft Root Certificate Authority 2011 ( MicRooCerAut2011.crt ) directly from the official Microsoft PKI Repository .

: Click Next , then Finish . You should see a message saying "The import was successful."

Installing .NET Framework 4.7.2 on Windows 7 Service Pack 1 often triggers a frustrating block: net framework 4.7 2 windows 7 certificate chain error

: This update helps resolve certificate validation failures on Windows 7.

Choose (requires admin rights) as the Store Location. Select Place all certificates in the following store . : Get the Microsoft Root Certificate Authority 2011

: Ensure your system clock is accurate. An incorrect date can cause valid certificates to appear expired.

This error occurs because the installer is signed with a modern SHA-2 certificate , but an unpatched Windows 7 system lacks the necessary root certificates or security updates to verify it. Choose (requires admin rights) as the Store Location

The most effective way to bypass this error is to manually add the missing Microsoft certificate to your system’s trusted store.