where can i dload the codec "unknown format DX50"

i’m trying to get a codec for terminator3.avi
it needs a decompressor for dx50

i’m looking for the same codec...i’ll let u know if i find it

i downloaded Standard DivX Codec(FREE), it worked for me! u can download it for free here:
http://download.divx.com/divx/DivX511Bundle.exe

i downloaded the any video converter and the
the web site is
http://www.any-video-converter.com/products/for_video_free/