Audio and video skipping in published MP4 - in Captivate 7

I have a project that has a mix of imported Powerpoint slides and Captivate Recording slides. When I publish this project to output as MP4, the resulting video shows the opening couple of slides, then skips a couple of slides and after that intermittently skips further slides... there are 51 slides in all. The imported Powerpoint slides are the first slide in the project and the final two slides in the project... in between these are recorded slides.
I am of the opinion that the Powerpoint slides, for whatever reason, are the root of the problem, as I made a copy of this project, removed those three slides from it and the resulting MP4 output ran perfectly.
Has anyone encountered similar issues and if so, did you find the cause and solution? Any help will be gratefully accepted

Did you have the PowerPoint file saved in pptx format? If so, this would account for it. Save the file in version 97-2003 of PowerPoint, and it will work. We just encountered this issue.
Jennifer S. Lewis, M.Ed.
LMS Administrator
www.linkedin.com/in/jenniferastetelewis/

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