try running BBMaps in the background. i was having the same problem. i now run sprint navigation's compass, ensure that it has acquired a gps signal, close the active window (red button), and then turn on bbtracker. i do not lose my tracks now. prior to this, tracks would seem to randomly stop and not restart. this problem was not unique to bbtracker - it occurred with gpsed and mobile tracker, as well. i have a feeling the problem is related to the implementation of gps in the 8830.