Go to environmenatl settings and then go the Vfapi section. You have to give a higher priority to the directshow filters... (2 ist ein guter wert auf einem P4-2Gig)*

then after that, decoding Divx5 is not a problem... except it seems slower to decode than divx3 or 4, but it may be one of the settings I changed or something.

[/i]* German comment says "2 is a good Value on a 2giga P4"