If you are using the desktop app, then the GoTo Webinar Viewer window might be hidden behind another application running on your computer or it might be minimized. Check the task bar (Windows) or dock (Mac) for the Daisy icon, then click it to bring the GoTo Webinar desktop application to the forefront of your screen.

If you are using the Instant Join app, then your session takes place entirely within your web browser. This means it's possible that you are looking at the wrong browser tab. Check the tabs that are open (and be sure to check for other browser windows), and click the one that says "GoTo Webinar" and shows the red "audio live" icon .

When there is no one sharing their screen, the Waiting Room is displayed and you'll see the message "Waiting to view < Presenter>'s screen". If you see this screen, then everything is in order! Once someone starts sharing their screen, you will see it in this window. In the meantime, you should still be able to hear the audio conference and chat with others.

The GoTo Webinar Viewer may be hiding behind the "Let's get started" browser page. Once connected to the session, close the browser and/or open the running GoTo Webinar desktop app in the task bar.