Could you try if using the "internal AVI parser" helps
(rightclick >) Options > Preferences >
Now hold [Shift]-key down and click on "Filter management"
Check "Use internal AVI parser"
If it doesn't help, please let us know what is shown under
(rightclick >) Options > Filters > Advanced
(Note: you can click on the [+]-signs to reveal further info and/or access.) 
P.S.:
If under (rightclick >) Options > Preferences > General > Filetypes
you highlight "divx", does the box "Media type" then show "Video" ?