Thanks for using Popups for Divi and sorry to hear about those starting problems.
Please make sure that you edit the section settings –> the “Popup” tab is only visible for sections (not for modules, rows, or columns). In your screenshot I can see an image module.
Also, here’s a short video that walks you through the steps of creating your first Popup: divimode.com/knowledge-base/video-create-your-first-popup
Popups for Divi – still not working