hey ppl... okey i got the problem... and the problem is below for expamle i have song with video... dan baland chicka boom.mkv i added this to my local hard... its portable... than i put my hard in the ps3... and now happy about 2 play song.. and boom... there are no files... i check the song folder size... on ps3 it says 0 mb or something... i try the same on pc its 120mb... so ps3 can't support mkv files? sorry bad english