Kurt - I was able to get the presentation from the web page
       (http://www-1.ibm.com/support/docview.wss?rs=0&uid=swg21220950)
and open it on a Mac with the Keynote application.
Give it another try.
(Note that this is an encore presentation, previous one 3/31.)

   Richard Sims

On Oct 28, 2005, at 5:53 PM, Kurt Beyers wrote:

I can't open the presentation in Powerpoint while other presentations
are opened normally.

Anybody else with the same issue?

regards,
Kurt