I fixed it. here is what I did: 1. Re-install BattleEye. (Right click Arma II > reinstall Battleeye_ 2. Removed DayZ files completely from my game folders. 3. Downloaded the Auto-updater and set it up, checked for updates, (it was correct, but I forced a re-download) made the right path. 4. Right click Arma II: OA > Run CO. 5. Voila.