Dragonsire 18 Posted January 14, 2013 So my dad un installed steam for some reason and I just re-downloaded all my games. Then I get this when I run ArmA 2 and OA Sorry!An error was encountered while processing your request: Missing or invalid form session key Can some one help with this? I also get "bad serial given on setup" Share this post Link to post Share on other sites
h3retic 224 Posted January 14, 2013 (edited) Start steam as adminright click on steam.exe/properties/compatibiilty/ check start this program as admin(permanent fix)steam will display a message: "are u sure u want to do that", and u say yes Edited January 14, 2013 by h3retic 1 Share this post Link to post Share on other sites
Dragonsire 18 Posted January 14, 2013 Holy fuck man, thanks! Share this post Link to post Share on other sites
