mw2 original prob

i just bought the original game to play online but it won’t connect to a game i see that a lot of users are online but still
my nat is open and i’ve opend all the nececcery ports
pls help!!!!!!!!
Answer #1
For PC, PS3 or 360?
Answer #2
pc
Answer #3
Which error you get? Any message? Or it just do not enter in the rooms?
Answer #4
Turn off your firewall, then try. If it still doesn’t work, turn off your anti-virus and try.
Answer #5
i dont have a firewall and no anti -virus and my game just don’t enter rooms