Separate names with a comma.
Right click on "Parallels Toolbox.app" in your Applications folder, and choose "Show Package Contents" if you want to do it via the GUI.
I don't even have Parallels Toolbox running at startup and Free Memory is running somehow taking up almost 100% CPU (and not responding) for some...
After doing a reboot of my Mac, I can get past the warning dialog now ♂️
I get this dialog:
But in my System Preferences -> Privacy and Security, there is no "Allow" button:
I can't use Parallels...