1) if the buffer is set to a high value, the end of the video of the length of the buffer is skipped
i.e. a 10 sec video will cause a 1 minute long video to skip the last 10 secs
2) if during playback of a video file, you shift from full screen to windowed multiple times, the toolbar which appears in full screen mode after mouse movement stops appearing
using windows vista with aero turned off