armateam397397 0 Posted June 30, 2012 when i join a match i do quick match or join match it keeps saying bad serial number giving any ideas help?:huh: Share this post Link to post Share on other sites
Benz (DayZ) 0 Posted June 30, 2012 Restart steam as admin, run arma 2, run arma 2 OA, run CO :D worked for me. If that doesn't work I would restart my comp :P might work might not. Share this post Link to post Share on other sites
