command not recognized in clion 1.2

C:\Users\jemitchell\.CLion12\system\cmake\generated\38ed9197\38ed9197\Release\RJMCMC.exe image1.png output.png 1
'exec' is not recognized as an internal or external command,
operable program or batch file.

I have checked my paths but I am not sure what could be the issue. Does anyone have an idea on how to resolve this?