So heres the problem. I built my SB system at xmas, and Im really keen to see how much beneft my quad has over a dual core CPU. The game worked fine on my XP64 OS, but now Im on W7 its not cooperating. I log into steam without problems. All my other games connect without a hitch. Except bad company 2. It worked the first time I connected to a server, but now it refuses to work. Whether I go via server browser or game finder I get the same message, "connection to the server has been lost, please check your network connection and try again". Ive checked my connection Ping 37, DL 17mb, UL 0.5mb. Ive googled the problem and people have said a variety of things. Disable upnp - Didnt work. Port forwarding - Didnt work Punkbuster update - Didnt work Im at a loss. Anyone had this problem and fix it? What did you do?