Unable to start the dotnet.exe process

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I am very new to development so I apologize in advance for any oversights that may have caused this problem.

I am attempting to setup a new work space and transfer all of my projects from my old computer to the new one. However, I am getting this error when I try to run IIS Express: "Unable to start process C:\Program Files\dotnet\dotnet.exe. The web server request failed with status code 500."

I am working in Visual Studio 2015, update 3 and I am using .NET Core RC2. Does anyone have any idea how to fix this and get my old projects running on this new machine? Thanks so much!


I was having the same problem. I look for dotnet.exe in that directory and it exists but debugger cannot execute it, so i Restart Visual Studio 2015 as administrator and it works!