VLC Media Player freeware

VLC is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols.
I managed to play many incomplete/corrupted AVIs (from WinMX and eMule). 4

GSpot freeware

Analize and test AVI files, reporting any info about them, and (eventually) the reason they couldn't be played. 4

AVI Codec freeware

Analize single files or entire directories, showing many info about AVI files. Report wich CODEC are missing, with a link for download!

DivX Player 2.1 freeware

This release is very stable, and can show a wide range of movies, even incomplete ones. 4