crashburn833

i have arma 2 in steam twice one was from humble bundle the other i purchased from steam both on the same account i dunno how steam allowed this to happen but now when i try to play it says cd key is disabled but i have never played it untill i tried today i have tried running arma 2 then arma 2 OA then DayZ but still nothing how do i fix this i've looked literally everywhere plz help ---------- Post added at 18:34 ---------- Previous post was at 18:02 ---------- i have tried everything mentioned in this post and in the links in this post http://forums.bistudio.com/showthread.php?135736-Bad-serial-number-given-in-setup-use-this-thread-for-help