My mistake I fixed it now (THE MISSING '\' NOT THE PROBLEM)

Every time I go to start DEFCON with Steam, it says 'Preparing to launch DEFCON...' and then a 'fatal error' box comes up saying "Could not find language 'English'". Then there's another box saying: "Runtime Error! Program: c:\program files\steam\steamapps\common\defcon\Defcon.exe Thi...