I am having the same problem, running hijack v2.69, if that matters.
Unit will often freeze while playing a song on Line screen mode, even visual will freeze, no sound , no response to buttons either.
Have to pull out from sled and re-insert, starts up again and continues to play as normal.
Song files are ok
Yes, mlord, player software seems to just restart on its own then continues to play as normal.
Have never noticed this until went on 10hr trip.
any ideas??
Thanks
Glen