# RenaissanceHeavy :
Hello, I have recently purchased ArmA II and all of its expansions (Operation Arrowhead and Reinforcements). After installing the base game and Arrowhead, I installed Reinforcements, I chose the option install PMC and BAF Only. After installing I tried to play the game, it said that "Addon CAAir_PMC_KA137 Requires Version 1.54 of application". I clicked Ok, and the game ran OK, but when I went to the armory, there were NO PMC or BAF items, and no new campaigns or anything. I have version 1.9 of ArmA II. Please help!
Sounds like you've installed them as a standalone as oppose to installing them onto the main directory.... also you need to update OA to 1.59
sounds like you might have 1.52, there's also been an update for Arma 2 = 1.10
update and it should solve your issue, a quicker way of seeing if you have installed the reinforcements to the CO directory is to see if you have a BAF & PMC folder inside of it, if not then you need to uninstall it and reinstall it to the CO directory.