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Office challenge: What to do when you can't get a looping introduction to stop?

Then select the slide you want to start the actual presentation with and click Shift-F5.

The action button has been set to "Next Slide" instead of a direct link to the first slide of the main presentation and has been copied to every slide in the Introduction. Clicking the Action Button will work only on the last slide of the Introduction. Delete all the Action Buttons, except one. Edit the hyperlink to be the first slide of the main presentation and copy to all the slides in the Introduction.