Server error (WRC 8)

The game works fine. Play off-line. But each time you enter the game and exit out of the race, popping up a window an error Occurred server connection WRC 8. Please visit .... Every time you close the window. How to get rid of it ?
A career is even worse - POPs up from time to time, and the game crashes.
Like in the system requirements is not required to connect to the server.