I hav 2 files that i want to mux together to create an avi. One is a divx video and the other is mp3. I tried AVI-mux GUI 1.17.7, the file played well on my vlc player but it stopped 2 seconds after playing in my dvd player. I tried playing the two individual files on my dvd and they played ok.
A couple of possible reasons I can think of off the top of my head. Some players have difficulties if the resoluton is too high, for example > 720 horizontal. Secondly, some of the encoding options, like GMC, is not handled by many players. Try Virtualdub to mux the elements.
I figured out what my problem was. My mp3 was compressed with VBR. So i compressed it to CBR. Then mux them with VirtualDubMod. It played well on my dvdplayer.