Dont believe patching it again will work. He has the exact patch and arma version that the server is running. Im getting the exact same damn thing. Things ive tried: removing all files i can find for dayz and beta (steam folder and my documents) I've tried checking the files via steam ive removed battleeye and reinstalled ive copied the whole arma and arma oa steam directories from a flatmates computer thats currently playing on the server i want to join A long with a lot of other tinkering, it has taken me hours, with no success. I need help.