It would also help if you could copy the section of the Firefox about:plugins page that refers to the "DivX VOD Helper Plug-in" and paste it here, so we can see which MIMETypes are handled by that plugin.
It would also help if you could copy the section of the Firefox about:plugins page that refers to the "DivX VOD Helper Plug-in" and paste it here, so we can see which MIMETypes are handled by that plugin.