Use the link below to download the full manual installer of that update.. (The update was released May 11, 2009. Once it's on your desktop, run the installer.
Hope this helps.
with Security Update for PowerPoint Viewer 2003 (KB969615)I have it installed on my PC 11 times starting in April and it finds it over and over, also it doesn't show up in add remove in control panel. I have been gone for 2 weeks and apparently everytime my PC was started it downladed it again!!! Rats! Win XP Home, generic PC