This article will show you what to do if you are having trouble with launching Phorest after recently updating your Apple Mac computer.
Sometimes, when you run an update on your Apple Mac computer, your Privacy & Security settings may be reset, which can cause issues with launching Phorest. To resolve this:
First, close Phorest (if it's open).
Then, click the Apple menu 
icon in the top-left of your computer screen, and click System Settings.
Once you're in your system settings, go to Privacy & Security > App Management > Phorest, then enable the setting in the screenshot below.
Once this setting is enabled, open Phorest.