What to do When Receiving an Error Saying IDL/ENVI Installer Can't be Opened on macOS Catalina or Later 10.45.2020 Anonym
Configuring a New Installation of IDL 8.7.3 or ENVI 5.5.3 on macOS 10.15 Catalina 29.33.2020 Anonym If you have recently upgraded from 10.14 Mojave or prior versions of macOS to 10.15 Catalina, and are running through a fresh install of IDL 8.7.3 or ENVI 5.5.3, please follow the steps detailed in this Help Article.