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"A certificate chain could not be built to a trusted root authority . A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider." - Error while trying to install .NET Framework 4.6.2.

Owned by Tech Contributor (Unlicensed)
Last updated: Aug 20, 2020 by Arindam Banerjee (Unlicensed)
2 min read

SYMPTOMS

An Error message appears on screen while trying to install .NET Framework 4.6.2. Commonly the issue is observed in Windows 7 or Windows Server 2008 R2 OS.

“A certificate chain could not be built to a trusted root authority”.

“A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.”

CAUSE

This problem occurs because some components in Microsoft .Net Framework 4.6.2 are signed by a certification authority that is not installed on Windows 7 or Windows Server 2008 R2 where Windows Updates are not up to date. Computers that are not connected to the Internet or having trouble to access Windows Update sites cannot automatically download these certificates during the installation of .Net Framework 4.6.2.

RESOLUTION

  1. Download the required certificate MicrosoftRootCertificateAuthority2011.cer from the link mentioned in Download Link section.

  2. Install the certificate. Steps are mentioned in Steps for installing the certificate section.

  3. Then reattempt .NET Framework 4.6.2 installation.

The issue related to certificate should not appear.

Link 1: Microsoft Website
MicrosoftRootCertificateAuthority2011.cer

Link 2: Github
MicrosoftRootCertificateAuthority2011.cer

Steps for installing the certificate

  1. Double click the on MicrosoftRootCertificateAuthority2011.cer file , Certificate window opens up.

  2. Click on Install Certificate… button.

  3. Under Store Location select the option Local Machine then click on Next button.

  4. Under Certificate Store select Place all certificates in the following store and then click on Browse

  5. List of Certificate Store will open. Select Trusted Root Certification Authorities from the list and then click on OK button & Next button.

     

  6. Confirmation of completing import comes up. Click on Finish button.