Unpack to the directory (folder) with the game. Open the Contract J.A.C.K. launch window. but don’t start the game! Click options. In the command line, enter, better copy: -rez CJC.rez, under the command line, check the Always add command line checkbox.
Contract J.A.C.K .: Trainer Free Download
Click OK and start the game, then all you have to do is enjoy the online game!