This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-create-desktop-shortcut-launcher-on-ubuntu-20-04-focal-fossa-linux
Sorry! But I could not found “Allow Launching” in the menu. I am using Gnome 3.36.2.
Welcome to our forums.
What is the filename and extension of the shortcut file you try to set up?
I created an extension to do this far quicker, you can do it with one click form app launcher.
It’s free and open source, please consider adding this to the guide.
You can find it on GitHub searching for:
Give it a try.