Vista - Set Associations for PPS in windows Mail

Hi,
I am having a problem with viewing attachments in Windows Mail that are .pps
I have Powerpoint Viewer. In Control panel it is set as the program to open
files that are .pps.
when I receive a .pps file in Windows Mail and try to open it, I get an
error that says the program has no program defined to open it, to "set an
association in the Set Associations Control Panel" ???
I can save the file to my c drive and when I click on it there to open it,
it opens just fine.
When I go to help in windows mail and put in "Set Associations Control
Panel" I get an answer telling me to go to the default programs in Control
panel. but Power Point Viewer is already set to open this type of file there.
Why doesn't Windows Mail recognise that?

Hello Meenie,

This may be able to help you fix this.

http://www.winhelponline.com/article...ows-Vista.html

Hope this helps,
Shawn