cd key in use. Heres the back story i went to friends house and loaded up my steam accout on his computer and downloaded arma2 and arma oah. downloaded dayz commander to show him what dayz was like. at the time he was not able to purchase arma 2 or arma oah. so later on i got him to create his own steam account. I had him uninstall arma 2 and arma 2 oah of his computer and i bought it for him as a gift through steam. he installed them in his computer. did all the steps to get dayz up and going, but when we try to join a room together one of us gets kicked because it says cd key in use. We went into steam right clicked on arma2 and oah to check cd key and they are diffrent. so whats causing this issue? please help