Run DivXInstaller6.8.exe
Expand "DivX Codec" and uncheck "Check for updates"
Uncheck "DivX Converter", "DivX Player", DivX Web Player" and "DivX Content Uploader"
It will try to phone home to register .. don't allow it
Run Keymaker and copy key ...
Start - Programs - DivX - DivX Codec - Register Products and paste key
