Assuming you have NOT installed IE8, see
http://www.winhelponline.com/article...ows-Vista.html
--
~Robear Dyer (PA Bear)
MS MVP-IE, Mail, Security, Windows Client - since 2002

Colt wrote:
> I have had this problem before, when i recieve email with a Powerpoint
> viewer, it will not open and a message comes up, POWERPOINT VIEWER CANNOT
> FIND THIS FILE. I was told how to correct this once before on this program
> and cannot remember how to fix this. Please help, Mark