UI3 version 228, BI version 5.6.9.8. Anytime I go to timeline and back up the bar to any time once, it's fine. When I back up a second time it freezes and yellow box on lower right says "The video stream was lost. Attempting to reconnect..." CPU runs around 12% but jumps to around 40% when this happens. It will reconnect after about 10-15 seconds.