no sound no video... help :(

[slarty]

i have a avi file that when played in media player i have sound but no video and in real player i have video but no sound. can anyone help? i have tried other players like power dvd and i tried it through virtual dub and virtual dub mod but still no luck. please help.
slarty.

[setarip]

1) Load the original video file into VirtualDub (or one of its many variants) or NanDub

2) From the "File" dropdown menu, select "File Information"

3) Post (here) EVERYTHING you see (BOTH video and audio information), or post a screen capture .jpg of the information box