hello ive played Dayz for like 2 days ago dident had any prob. with dayz but then suddenly the next day it said bad serial number were given on starsetup these solutions ive tryed: 1. Exit steam run as administrator (dident work) 2. reboot. (dident work) 3. Re install arma 2 first and verfir game cache and run it to main menu and then arma oa ( same as i did on the arma 2) (dident work 4. regedit remove (Computer/hkey_local_machine/software/bohemia Interactive studio/arma 2 Oa( dident work) And i thin k i did the thing where u have to allow ur system and ur user check all the boxes in regedit (dident work) 5. Verify game cache (dident work) and sum more i tryed Im running a windows vista 32bit computer help plzz sry for posting this i know manny pepol have been posting this prob. but i need ur help i tryed everything