Please attach a Debug log to this issue.
Settings > System > Advanced > Debug Level = Debug
ReStart Boxee, and after experiencing the problem, close Boxee and attach your log file to the bug.
DEBUG log slows down the performance. so afterward, switch the log level back to NONE
Boxee Box log may be found at *http://boxeebox:8080/
under 'Boxee Logs', click on the "Get latest " link. (*boxeebox =ip address of the box)
more information at