sorry i could not reply earlier.. f***ing activation process... :S well i hope this does not break any rules, i'm just trying to help the fella.. http://www.shacknews.com/file/32104/arma-2-combined-operations-dayz-alpha-1715 there.. files for 1.7.1.5 delete everything in your @dayz\addon folder and paste the contents of that .rar voilá, you reverted edit: I tried it myself and it worked for me. could get into a server and play.