Class not registered???????

[Reverend]

Looks like you may have a part or corrupt download. Was it from *cough* Kazaa?? *cough*

Try this small program called DivFix which can scan the file and detect any errors:

About DivFix
This program was created to be able to watch partially downloaded DivX (AVI) movies.
It can rebuild or strip the index part of the movie, which is at the end of the file.
There are also a basic error detection, which can detect serious errors in the audio/video stream.

View:DivFix homepage

Download:DivFix 1.10

also make sure you have the latest version of DivX:DivX (5.0.5)