Can't see avi thumbnail in Windows Explorer

Just guessing here...if ur movie file has a blank or white
or black start,then you will not see any pix,make sense.Get
back.


-----Original Message-----
>I have 3 machines with Windows XP installed. On one of
>them, I am not able to view any avi thumbnails in windows
>explorer. I can double-click on the file and view it in
>Windows Media Player, but I cannot see the thumbnail
>preview like I can with mpegs or wmvs. Does anyone know
>how to resolve this???
>.
>