arma 2 bad serial number given in setup?

[Pixelwarrior 6]

hey there, every time i go to run arma2/arma2OA/dayz my game crashes and a message says "bad serial number given in setup"

my games up to date, i bought my games over steam. i did not try to download any "hacks" so my key can't be stolen... HELP PLEASE!

I have tried this:

delete games cache using steam, then verified integrity of game cache with steam.

delete games manually from Cdrive then with steam, reinstall using steam.

running steam as administrator

validated files and running arma 2 first then arrowhead

restarting my computer/ router

Edited December 28, 2012 by Pixelwarrior

[ninjan777 104]

Im no expert but if you absolutely must play the game at no cost you could try and make a system reset, though i am not sure that will work either. Maybe your registry is broken or someting :c

[OrLoK 16185]

Hello there

Have a peek here

http://dayzmod.com/forum/index.php?/topic/97180-the-complete-thread-about-serialcd-key-problems/

rgds

LoK

[Axxassin 49]

did you buy the steam version or retail?

i had the same problem i am using arma 2 free and arma 2 oa retail version

Here is what i did

I uninstalled both games,

then opened regedit

Deleted both arma folders in both of these folders :

- HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Bohemia Interactive

- HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Bohemia Interactive Studio

And reinstalled my arma 2 OA an arma 2 free into one folder and used Playwithsix to update my dayz mod and all the other maps

And about that business with dayzcommander not working it might not find the patch your arma2 is installed but i guarantee if you use playwithsix and set the arma 2 and arma 2 oa into the gamefile directory you can easily download new maps and update them very easily

Hope this helped you

[bigdogsco 143]

Yeah delete the registry entries for arma, then do the verify cache with steam. Did the trick for me. I didn't have to uninstall/reinstall the game.

Edited December 28, 2012 by bigdogsco

[Pixelwarrior 6]

UPDATE: My fix was deleting everything in my steam folder but "steamapps" and "steam.exe" then clicked steam.exe and redownloaded my steam folder.

the regedit fixes did not work for me!

[AMDdayz 0]

UPDATE: My fix was deleting everything in my steam folder but "steamapps" and "steam.exe" then clicked steam.exe and redownloaded my steam folder.

the regedit fixes did not work for me!

have to run steam as admin ;) after the registry delete

[YourMomsPapo 0]

I can not do the HKEY delete trick for both my arma's because my ArmA 2 not OA is not showing up in 1 of the 2 files..i did delete the other ones though..nothing worked, PLS GIVE ME A SOLUTION