OHH THANK YOU MAN FOR SUGGESTING SIX LAUNCHER!!!! i havent still able to run Arma 2: combined Operations through steam
but i have been able to play Day Z since yesterday on this program called six launcher all i did was launch six launcher c=and wait for it to sync
and upon selecting a server it makes me update and from there once updated i am able to play a game of day z and ive died over 10 times lol
but the game is sooooooo much fun but now there is a new problem....my graphics is acting all wierd.....ill show you a screenshot in my next post
but thanks to the guy who suggested six launcher... AMAZING GUY/GIRL!!!!!