The divx codec isn't installed on your axim. It is supposed to be installed on the PC. The codec only allows you to encode movies using the divx codec within the proper programs. What you want is a player that supports divx like Pocket Music and Video or Pocket Divx. If you search through some of the posts on here, You will find a WEALTH of information as to how to do all the things you would ever want to do on a pocket pc.