The last DivX version has a lot of memory leaks and problems, even if the company won't say so. As of late their customer service has sucked and failed to provide service. Ever since Stage6 closed they really, don't seem like they care.
So, if you are having a hard time with DivX and you want to watch your video in peace but with the DivX quality over flash? Here's what I did to get around it on Windows Vista:
Download the video. On mrbrownee70's site, the download link is in neon green here:

You can also enable DivX to autosave the file when it buffers it all, automatically too via preferences on the webplayer.
Now! Open up Windows Media Player and open the file (easily done with drag and drop) and you should be able to play on your computer's native media software, due to your codecs being installed.
I use VLC often or WMP depends what I have open for certain things. Both don't lag out and throw fits like a second grader at a twelve grade party.
How sad is it? I prefer WMP to play DivX films over DivX now? And to think I paid for pro...
Hope this helps thouse who has problems with DivX taking over and making everything slow!
