dotnet build gives "Fatal error. System.Runtime.InteropServices.SEHException (0x80004005): External component has thrown an exception."

UPDATE Okay so after a week going back and forth on my issue below and sitting with one of my developer friends, the following resolved the issue below for me.

1. Uninstall Visual Studio 2019 (Do not repair, as I did this first, without any luck)
2. Uninstall any .NET CORE SDK's and/or Frameworks
3. Reboot the machine
4. Just install Visual Studio 2019

Done

THE ISSUE

I'm busy creating a sign-up API with .NET CORE 3.1 in Visual Studio 2019. I am able to build and debug the portion done so far in Visual Studio 2019, without any error.

But when I need to run any of the dotnet commands that require the "dotnet build" command to execute inside it, I get the "Fatal error. System.Runtime.InteropServices.SEHException (0x80004005): External component has thrown an exception."

I've removed my code from git hub now.

and the contents from the App Crash Report generated in widows, contains the following->

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Thank you in advance for your help.