Fatal Error 10048
Posted: 14 Feb 2010, 08:00
i dunno what happened i was crashing like 5 minutes into each game and then i reinstalled and now it says this when i try to play 
Your probably trying to use a port that is already under use by some other application, or even another instance of the lobby or engine.
You can try running netstat from the command line to see which ports are in use