DivX Sound problem

[PrimeSuspect]

Hi. Im trying to play this movie but i keep getting this error. I can watch the movie BUT it has no sound. What codec do i need? HELP?!

 

[Phisionary]

cmon man. learn to google.
try what these guys say:
http://forums.afterdawn.com/thread_view.cfm/46916

direct link here: http://www.afterdawn.com/software/video_software/codecs_and_filters/ac3filter.cfm
maybe out-of-date but should work