Knowledge Base

win7 install .net4 error

1. Download .net from the official website. 4 An error was reported during installation and the certificate chain was processed, but it was terminated in the root certificate that is not trusted by the provider.

Solution
1. Click the link to download the Microsoft book:
http://download.microsoft.com/download/2/4/8/248D8A62-FCCD-475C-85E7-6ED59520FC0F/MicrosoftRootCertificateAuthority2011.cer
2. Enter MMC during operation

3. Open the console, File -> Add/Delete Management Unit

4. Select Certificate → Add → Computer Account (others keep the default, keep the next step)

5. Go back to the main window of the console, expand in order: Certificates → Trusted Root Certification Authorities → Certificates, click the small arrow for more operations, select All Tasks → Import; then select the cer certificate downloaded in step 1 File, and then keep clicking Next, the import is successful.