title: The framework 'Microsoft.AspNetCore.App', version '3.1.3' was not found
body: <p>After upgrading targetFramework for my web app from <code>dotnet-core-2.2</code> to <code>dotnet-core-3.1.2</code> on another developer machine we are getting following error</p>
  
  <pre><code>It was not possible to find any compatible framework version
  The framework 'Microsoft.AspNetCore.App', version '3.1.3' was not found.
    - No frameworks were found.
  
  You can resolve the problem by installing the specified framework and/or SDK.
  
  The specified framework can be found at:
    - https://aka.ms/dotnet-core-applaunch?framework=Microsoft.AspNetCore.App&amp;framework_version=3.1.3&amp;arch=x64&amp;rid=win10-x64
  </code></pre>
  
  <p>We have tried several approaches to solve the issue </p>
  
  <ul>
  <li>Downloaded and install the dotnet core from specified link in error</li>
  <li>Downloaded runtime from the link  <a href="https://dotnet.microsoft.com/download/dotnet-core/3.1" rel="noreferrer">https://dotnet.microsoft.com/download/dotnet-core/3.1</a></li>
  <li>Uninstalled the other dotnet core framework version other than 3.1.2 or 3.1.3</li>
  </ul>
  
  <p>still we are facing the same issue, please guide me to troubleshoot this issue. </p>