Troubleshooting: Install .NET Framework failed - A certificate chain could not be built to a trusted root authority

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Question : I try to install AutoCount 2.0 in a Windows 7 PC which required to install .Net Framework 4.6.1 & above. But when I install .NET Framework 4.6.2 in Windows 7 sp1, error prompted “NET Framework has not been installed because a certificate chain could not be built to a trusted root authority.” What should I do?

Version : 1.8 / 1.9 / 2.0

Dotnet fail1.png


Possible Reason :

This error can occur when installing .NET Framework 4.7/4.6.2/4.6.1/4.6 or 4.5.2 on Windows Server 2008 SP2, Windows 7 SP1 and Windows Server 2008 R2 SP1 when an internet connection is not available.


Solution :

1) Download and install Microsoft certificates. Use the below link to download.

http://go.microsoft.com/fwlink/?linkid=747875&clcid=0x409


2) Run the file and click on Install Certificate.

Dotnet fail2.png


3) Click on Next.

Dotnet fail3.png


4) Then select Place all certificates in the following store, click on Browse, and select Trusted Root Certification Authorities. Then click on OK and Next to finish the installation.

Dotnet fail4.png


5) Having done certificate installation, install the .Net Framework 4.6.1 & above.


Note : Please seek assistance from your software dealer if the problem still persists after performing the suggested steps.


By : Tan 200608, Lay Swan 200617, P200619


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