: Select Place all certificates in the following store and click Browse .
In the Certificate Import Wizard, choose (or "Current User" if that's the only option). Select Place all certificates in the following store .
Download the version corresponding to your specific Windows 7 architecture (x86 for 32-bit systems or x64 for 64-bit systems). Run the downloaded installer to apply the security update. Restart your computer when prompted. Launch the .NET Framework 4.7.2 setup file. Method 3: Apply the Servicing Stack Update (KB4490628)
: Install both updates, starting with KB4490628, and restart your computer.
Windows 7 must have Service Pack 1 (SP1) installed.
The .NET Framework 4.7.2 certificate chain error on Windows 7 is a common roadblock . It usually happens because the system lacks the modern certificates or updates needed to verify Microsoft's digital signatures.
The most direct fix is to manually download and import the missing root certificate into your system's trusted store. QNE Software Download the Certificate Obtain the Microsoft Root Certificate Authority 2011 (typically a
Console.WriteLine("SslPolicyErrors: " + errors); if (chain != null)