“Value does not fall within the expected range” when trying to add a reference in a project

I did a ‘devenv /setup’ and that fixed it.


  • Exit Visual Studio
  • Click Start
  • Type cmd, right click Command Prompt and select Run as administrator
  • Navigate to the appropriate Visual Studio folder
    VS2012: pushd %programfiles(x86)%\Microsoft Visual Studio 12.0\Common7\IDE
    VS2015: pushd %programfiles(x86)%\Microsoft Visual Studio 14.0\Common7\IDE

    VS2017: pushd %programfiles(x86)%\Microsoft Visual Studio\2017\<Edition>\Common7\IDE

    VS2019: pushd %programfiles(x86)%\Microsoft Visual Studio\2019\<Edition>\Common7\IDE

  • Type devenv /setup and press enter

  • When the command prompt returns, you’re done. Close the command window, reopen Visual Studio, and test to see if the error’s resolved.

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