To resolve the .NET Framework 4.7.2 Windows 7 certificate chain error, try the following solutions:
: Click Install Certificate... to open the Certificate Import Wizard. Select Store :
Download the certificate file (usually named MicRooCerAut2011_2011_03_22.crt or similar). Step 2: Import the Certificate
Run certutil command to update root certificates from Microsoft. net framework 4.7 2 windows 7 certificate chain error
Q: Why do I get a certificate chain error on Windows 7? A: The certificate chain error on Windows 7 may be caused by outdated root certificates, missing intermediate certificates, incorrect system date and time, or a corrupted certificate store.
ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, errors) => { Console.WriteLine("SslPolicyErrors: " + errors); if (chain != null) { foreach (var s in chain.ChainStatus) Console.WriteLine($"Status: {s.Status} - {s.StatusInformation}"); } return errors == SslPolicyErrors.None; };
typically occurs because the operating system is missing modern root certificates To resolve the
the MicrosoftRootCertificateAuthority2011.cer file from a trusted source like the Microsoft Update Catalog or GitHub.
Restart your operating system to apply the updates completely.
Windows 7 does not support SHA-2 code signing out of the box. When you attempt to run the .NET Framework 4.7.2 installer, the operating system tries to validate the SHA-2 digital signature against its local certificate store. If your system lacks the necessary SHA-2 updates and root certificates, the validation fails, throwing the certificate chain error. Prerequisites Before Troubleshooting Step 2: Import the Certificate Run certutil command
Sin-D. 9,030 • Microsoft External Staff • Moderator. Nov 8, 2025, 9:24 PM. Hi XosaTag 975, Thanks for reaching out to Microsoft Q& Microsoft Learn
When attempting to install .NET Framework 4.7.2, the installer fails with the message:
You are not alone. This is a classic modern-day friction point between Microsoft's legacy operating system (Windows 7) and their modern code-signing security policies.
