I find this problem somewhat annoying.
I can configure the DivX codec - but only through 3rd party apps.
I am talking about this:

How do you access this configuration without trying to run a 3rd party app?
I can configure the DivX codec - but only through 3rd party apps.
I am talking about this:

Select the "DivX 6.x Codec" (where "x" is the sub-version number) in the codec selection section of your video conversion/encoding software
How do you access this configuration without trying to run a 3rd party app?