ur file is corrupt but not fully corrupt..what u can do is, go to http://www.video-fixer.com/ and download the "Divx Avi Asf Wmv Wma Rm Rmvb Fixer 3.23 program".. and use VLC media player which u can download from "http://www.videolan.org/vlc/" to play the file. Now depending on the file format u have, u can find other video fixer programs and play them in VLC player.. Let me know if it doesnot work..

Good Luck!!!!!!!!!!!!

Rsin

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Ability to perform, From Dusk Till Dawn