Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
It's a known bug that Asobo introduced in SU12, kind of fixed, and they're saying it'll be fixed fully in SU13.
If you don't have that beta, there's a file on flightsm.to that helps get rid of it, but it doesn't work 100% of the time.