Scoodicus 0 Posted May 16, 2012 (via steam) So yeah, when i right click OA and try to launch CO, i get a black cmd box that appears and almost instantly dissappears and then nothing happens any ideas and any help? Share this post Link to post Share on other sites
Sakke1994 0 Posted May 16, 2012 You first have to run ArmA II and ArmA II OA before starting CO. Share this post Link to post Share on other sites
