"You have been kicked off" ????

[raman599 3]

I just installed arma 2 op and dayz today and was told to update to latest beta patch so i downloaded six updater and launcher and updated it. but every time i try to join a game i get a message saying i have been kicked from the game. i dont know what i did wrong. please someone help me i updated my entire computer to play this game and now i cant even play it?? helpppp :(