Disable FORWARD Arrow at End of a Presentation?

Hi everyone. I'm using PRESENTER.

At the end of my presentation, I would like learners to be able to click a slide in the NAVIGATION panel if they want to go back to review something in the course or click the EXIT tab to exit.  I have some people who are confused by the flashing FORWARD arrow on the last slide, and I would like to eliminate this confusion by eliminating the FORWARD arrow.

I tried the different "views" (standard, slide only etc.), but the FORWARD option is still there.  I tried  Locking the presentation, but the option to click a slide in the Navigation panel is unavailable.

Is there any way to achieve what I want?

Thanks very much

Judy