Hi,
versuch mal den Patch zu installieren
Armaholic - Official patches - Arma 2: Operation Arrowhead and Reinforcements Patch 1.59
Hatte zwar nicht des beschriebene Problem wie du, aber der Patch patcht alle Versionen von Arma2. (Arma2, Arma2: Operation Arrowhead, Reinforcements PMC und BAF einzeln)
This update is for all versions of Arma 2: OA & RFT (arma 2: Reinforcements) including STEAM. However for STEAM version we recommend to use STEAM update.
Arma 2:OA 1.59 update includes the PMC 1.01 and the BAF 1.02 and A2 from 1.05to1.09 updates.
Gruß Syl