i am sorry that u guys always have problem with mp4 file.
Personally, i really have not experienced that.........
If u really need AVI , please download the attached torrent. But i can't guarantee u whether there are many seeds or not now.......
Otherwise, as i have posted in every mp4 file i shared , u can use VLC player
http://reg.softking.com.tw/freeware/download.asp?fid3=19432