i have this player and nit always does this, mine does it 3 or 4 times a week, basically the firmware partiton just dies, at any point and i have to then restore it!!
personally i would return it as this will always happen
did you get yours from tinydeal, if so its the same as mine and i have a firm ware back up and also a tech for bringing it back alive
i willl tell more laters when its earlier