Plutonium

in settings you can change the output device

few months ago i install BO2 and the zombies mode, but i uninstall it, now i reinstall the plutonium launcher but i cant pick the "setup" option in that games, only in MW3, i dont have anything installed from the last time that i played, but the launcher recognizes like that.
i dont know if exist a cache´s folder or something like that.
how can i resolve it?
please help