TBB for Linux tries to talk to an X session manager
People have been seeing this ‘error’ message for a long time:
Qt: Session management error: None of the authentication protocols specified are supported
The error is harmless, but the fact that it is occurring means that TBB-Vidalia is trying to connect to a session manager. That isn't so harmless.
It would be very bad if any part of TBB actually succeeded in talking to an X session manager. Can TBB-Vidalia ever connect to a session manager? Can TBB-Firefox ever connect to a session manager?