need help (i dont know where is the apropriate place to put this thred)

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#1 Posted by WhinyNerd (25 posts) -
me and my friend are trying to play titan quest coop together and no metther how much we try we cant see each other rooms and we can only open LAN game an internet game is just crashing or saying CD key invalid please help and thnx for the future help (i hope) :)