LiteOn5045 deleted ALL hard disk by itself!

LiteOn5045 deleted ALL hard disk by itself after recording a movie on SP! When the movie finished, I checked the HD and all thumbnails were gone.Having the mashine 6 months. What can be the reason? Thanks in advance.

Tried here?

http://ccgi.mgillespie.plus.com/liteon/smf/index.php?board=1.0

See this post by Sean here Good Luck !!!