Audio in Widget not playing all the time

Hi, I’m very new to Captivate! I’m using 2019. I have a glossary widget in my presentation that has two audio tracks imported. These tracks play fine when I play it in the editing mode. However, when I preview this it does not. The first time I used a widget I didn’t have this problem.  Any suggestions? P & TY!

Dan’s “The Supermarket” Presentation