How to repair broken AVI files
Many times, after downloading a movie in avi format, it is saying that the file is corrupted and you are unable to play.
It's not a big problem, you can repair the file with the free tool DivFix++
Download Here:
http://www.divfix.org/
AFter downloading, load the file you want tp repair and then choose the options. I will suggest you to check Keep original marked.