I had K-Lite Codec Pack installed. and i don't have any problem when opening all other rm files i got, just this file got that problem. ( U( v4 s) T; E( s+ Mtvb now,tvbnow,bttvb ' |# L+ W7 y- q2 l$ v9 ]公仔箱論壇is the one you state same function as K-Lite Codec Pack?