A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
Hello,
Just click Yes on that prompt to disable the add-in. That pdfmaker add-in is a separate program that often conflicts with PowerPoint updates, and you actually do not even need it. Once it is disabled, just open your presentation, go up to File > Save As > PDF.
It uses the built-in Microsoft converter instead which should go through without throwing any errors. Give that a try.