So it seems that there are two environment variables missing. Application ‘MACHINE/WEBROOT/APPHOST/WEBAPPLICATION2’ with physical root ‘C:\Users\lextm\documents\visual studio 2017\Projects\WebApplication2\WebApplication2\’ failed to start process with commandline ‘“%LAUNCHER_PATH%” %LAUNCHER_ARGS%’, ErrorCode = ‘0x80070002 : 0.