Unable to Login after Mac OS Catalina Update

Author: Optuma Team Last updated: Oct 11, 2019 06:55


After upgrading Mac OS to Catalina the Optuma program will not load within Parallels, instead a small information window is displayed briefly before the program is closed:


Additionally when you attempt to install / reinstall Optuma within Parallels a decompression error is encountered:



macOS Catalina 10.15 introduced more privacy restrictions, Parallels Desktop application needs additional access to be able to work as before.


On Mac menu bar click on Apple logo > System Preferences > Security & Privacy > unlock settings by clicking Screenshot_1 > on the left side scroll down and select Full Disk Access menu > on the right side put checkmark for Parallels Desktop.