Ive never had any error problems until a week ago. I have a constant 2002 lobby error (unable to click start). I have reinstalled but it doesn't help. Ive been waiting for a response from SE but that seems like it will take another week. Some people were able to get rid of the 2002 error by turning off their firewall, I tried that but it didn't do anything and it's not really a good idea to turn off your firewall.