Audio: Dolby AC video problem

hi,first time posting here and i need some help playing this type of video.
its
Audio: Dolby AC3 48000Hz 6ch 384Kbps [Stream 01]
Audio: Dolby AC3 48000Hz stereo 192Kbps [Stream 02]

im using media player classic to open this type of avi file, but there is sound and no video please i need help