Audio and Video playback problems can often be caused by not having the correct codec installed on your computer, or even the wrong version installed.

If you have trouble playing back your DivX movies, here is a very useful freeware tool to check what is currently on your computer. is a comprehensive tool which can do the following:

Determine the codecs installed on your Windows XP or Windows 2000 platform.
The installed codecs which have problems (not working or improperly installed) are highlighted in red.
Export the data to a text file for technical support!
Extremely fast to run on a PC and does not require installing.
Very small size to download even by a dial-up modem.