ArmA 2 OA wont run... :(!

[N1klzz 1]

Hey Guys,

my problem;

after i downloaded ArmA 2 Operation Arrowhead from Steam i tried to install it but then an error message appears: No entry \bin config.bin/CfgIngameUI/mpTable.shadow.

after pressing ok next one appears: Error compiling pixel shader PSSpecularAlpha:0

I cant ignore this and just start day z because i first habe to start ArmA 2 OA without day z normally

....

I dont know what to do i downloaded it a few times again but this doesnt help...

:(

[N1klzz 1]

Ok i figured out that if I run the ArmA 2 OA Beta which is also installed in my steam the game will start but: after the start-screen it closes and says: Bad serial Number given in Setup! but what does that mean?!!!

I bought the game via Steam how can i have a bad serial number

[ast65 11]

run steam and the game as admin

[N1klzz 1]

It still doesnt work...

and after starting Arma 2 OA Beta once it wont start again it just gives me another error report "game not available (corrupt gamefiles) :(

[ast65 11]

sry to hear that m8,

check out following link for further advice http://forums.bistudio.com/showthread.php?136921-MPTable-shadow-amp-pixel-shader-PSSpecularAlpha-Thread-the-only-one!