stay away from that
winavi program, it sucks.
I wish people would stop trying to push that crap on people....people quit this hobby after they use that program.
Tell us what exactly are the specs of the file your are converting to. and what resolution, bitrate and options you have chose in tmpgenc.
And when you say no video, is this after you have authored a dvd and tried it on your dvd player?
riddle me this