Every time when I try to log in and play some multiplayer it says : ''An error has occured. Please check you network connectivety''. I know that my internet is working so what could possible be the problem? I also have problem with the campain. This is the problem :http://www.youtube.com/watch?v=U4nCffi7VIY
Please help me with my problems!
/Alex

I have the same problem.