Arma 2 oa Has stopped working crash

[Arma 2 oa Has stopped working crash]

I've fixed it! I needed to validate the files for my arma 2 then it worked! Thanks for the help anyways!

[Arma 2 oa Has stopped working crash]

Please can anyone help?

[Arma 2 oa Has stopped working crash]

I changed my key as i gave my old steam account to a friend so he can play arma 2 oa with it and i bought a new account and it overwrited my arma 2 oa key and it happens with or without steam

My RPT (had to upload to mediafire as its huge and crashes pastebin if i paste it in): http://www.mediafire.com/?16ly2u889am1416

Virus total scan to show you its not a virus: https://www.virustotal.com/en/file/ba6bda6c2d47f25db7ea5806979476937be27f1f290b44f81380bf6538796d17/analysis/1375801089/

---------- Post added at 16:43 ---------- Previous post was at 14:59 ----------

Anyone know a way to fix this?

[Arma 2 oa Has stopped working crash]

Every time i start up arma 2 oa with or without dayz and join a server i get "Arma 2 oa has stopped working" and it crashes can someone please help me as its been doing this for days now and i've been looking for a fix everywhere.