DVD MovieFactory 4 and DivX conflict

I have Ulead DVD Moviefactory 4 and DivX on a system. Whenever I tried to import a certain DivX video into the initial screen, DivX keeps closing down and loading about thousands of times without my consent. On the system tray, I keep seeing the DivX Settings Manager icon appear and disappear more than a thousand times and in the end, the video doesn't load and MovieFactory stops responding.
Is there a way out?
 
What can I do if DivX is not supported? But my other computer allows the video to be imported and the DivX icon only appears ONCE. Why is that?
 
I went back and downloaded the actual pdfs. Here are the supported video formats from the features pdf.

File Format Support

Import
• Video: HDV, WMV-HD, DVB-T HD, DVD-Video, DVD+VR,
DVD-VR, MPEG-1, MPEG-2, DV AVI, AVI, DAT, VOB, MPV,
Windows Media Video (WMV, ASF), QuickTime™ (MOV,
QT), Ulead VideoStudio project (VSP)

Export
• Video: BDAV, HD DVD, MPEG-1, MPEG-2, AVI, Windows
Media Video (WMV, ASF), QuickTime™, (MOV, QT)

If you can import DivX into Moviefactory 4 on another pc I have no clue other than the other file is not DivX (mpeg4). Anyone?

Starman*
 
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