Startup applications not starting

[zenzen]

Hi, and welcome to the forum.

Are you using Lite or Core version? Please update your profile to reflect which version of ZorinOS are you using so that's it's easier to troubleshoot issues in the future.

If it's core, you can take a look at this reply from another thread as Flatpak is likely the issue in this case:

Pulse Effects autostart

One limitation of the flatpack package format is that is isolated from the rest of the environment so the setting to start as a background service may not be working for you. What I'd suggest is add this command inside ZorinOS's "Startup Applications". I've just installed and tested this myself and things seem to work fine. [sc2] [sc1] Note that this will launch the program in full screen which you may not want. According to the project's documentation, you can also provide the --gapplicatio…

You can run flatpak list to find out the fully qualified domain of the program you want to run. I don't know what that looks like for Signal nor Steam but should be something like "org.gnome.signal" or whatever, not just "signal" or "steam". See the example from the linked thread.