plz read i can't play its diffrent than other post

Hey sory for 3 post guys but its a big problem!I can't play i go to the strat game butten and it comes up *blank*
and says*ok*
I pressed ok and it came up gamegaurd so i downloaded it and i installed it and a went to play crossfire and it said gaming mod activated then it came up *blank*
and *ok*
and it took me the same old damn place!