I have a project in which I\'d like to use some of the .NET 4.0 features but a core requirement is that I can use the System.Data.SQLite framework which is compiled against
I had this problem when upgrading to Visual Studio 2015 and none of the solutions posted here made any difference, although the config is right the location for the change is not. I fixed this issue by adding this configuration:
To: C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TestWindow\TE.ProcessHost.Managed.exe.config
Then restarted Visual Studio.