PowerPoint Viewer 2007 won't open PPS/PPT files

[glamart]

I had this problem in XP when viewing PowerPoint PPS/PPT files and
another app stole the association. A kind person pointed to a file
called PPSFix.zip that solved the problem and corrected the file
association. However, PPSFix.zip is for XP and I am afraid to try it
in Windows Vista without prior experience.
Any help will be appreciated...

[Ramesh, MS-MVP]

Is this the problem you're facing?

Unable to open .PPS attachments directly from Windows Mail in Windows Vista:

[glamart]

Thanks for the reply - unfortunately no, I'm getting a message that
"PowerPoint Viewer can not open the file..." I did try your reg fix
but no joy.
The PPS file opens fine on my XP machine. I may have installed
PPViewer 2007 without removing PPViewer 2003 since both entries are
in the registry. Don't know if that makes any difference. There is
no add/remove entry for PPV 2003.
Any other ideas will be appreciated.

[Ramesh, MS-MVP]

Are you able to open the PPS file after saving it to the hard drive, instead of opening it directly from Windows Mail?

[glamart]

No, the Power Point file won't open even when saving to my hard
drive. Sorry I didn't mention that sooner. It probably isn't an
Outlook Express related problem. It seems to be a compatibility
issue with some other software on the Vista machine. I have also
tried reinstalling the Power Point Viewer with no help. I may try
uninstalling PPV, going through the registry and deleting remnants,
then reinstall again - I'm running out of trys but your thoughts are
greatly appreciated.

[Ramesh, MS-MVP]

My guess is that the PPViewer 2003 is launched, which then tries to open the PPS/PPT file (created using Office 2007).

Uninstall PowerPoint Viewer 2007. Install PowerPoint Viewer 2003 and then uninstall it using Add/Remove Programs. Finally, reinstall PowerPoint Viewer 2007. The file association problems, if any should be fixed automatically.

[glamart]

Use this utility to unassociated the file type. Then you can associate the
file type as you wish. I had the same issue.

[moscreations]

I have tried to correct this problem following the instructions as given, I did change the "show" to "open" in the registry and it still won't open any pps.

I have Vista and Office 2007, the association is set to open any pps with the PowerPoint Viewer.

I made the change in both
HKEY_CLASSES_ROOT\PowerPointViewer.SlideShow.11 and
HKEY_CLASSES_ROOT\PowerPointViewer.SlideShow.12

Any other suggestions?

And by the way, the files do open when saved, but won't open when trying to open from Windows Mail.

Any help would be appreciated
Thanks
Mo

[Ramesh MVP]

Use OpenWith Wizard and set PowerPoint Viewer as default app to show
sideshow.

[moscreations]

It's already set a the default, but still won't open.

I don't know what else to do!

[moscreations]

Gee whiz, I thought, finally I've got something that will work.
I downloaded the zip, and ran the exe BUT when I go to the extension pps, the button "remove file association" is greyed out so I can't do it :(
This is getting frustrating, have you any idea why it would be greyed out?

Thanks a lot for the help!

[Spirit]

NO idea, you might try uninstalling Office and the Viewer to see if that
allows access. Then Unassociated and Re-Install.