dx50 decompressor not found

hey duck or any1 else. i need some serious help. i downloaded spiderman 2 off winmx and it took all night. then i tryed playing it in midows media player but it didn`t work at all. there was just a blank screen.

then i tryed using realplayer and i wouldn`t play rhen this message came up

“unable to render video
dx50 decomposr not found”

can any1 please help.

I hace the same problem with a video in RealPlayer

DX50 is the fourcc for the DivX 5 (and later 6) codec.
You can get it at http://www.divx.com