Disconnect.

I had WoW installed and played for like 2 years. Yesterday I had a problem with Client.cpp , today i fixed it but now when I log in on any characters I get disconnected after 10 seconds of playing. First I thought someone was logging on my account but I changed the password 3 times and still I got disconnected. I tried to port forward but it's not working. I tried deleting and reinstalling the game , with addons and without but still no chance for me to play. The server I tried was Cataclysm 4.3.4 Neltharion. Please help. Thanks in advance.

Did you enable compatibility mode? It should be disabled.

It seems like it was in compatibility mode from my previous attempt to fix the Client.cpp issue. Switched the compatibility off and now it's ok. Thanks for help anyone0.