I installed Catalina to my work machine yesterday to start digging into what needs to be done on our needs for upgrading my company. So far I've blocked FindMy, TV, and Podcasts.
I've been getting blocked application pop ups though for Podcasts even though the app is fully closed on my machine. So somewhere there's a background process running as the app.
Not sure how to restrict my users from opening the app without getting the annoying pop up every few minutes, or sometimes every few seconds. See image for what I'm