Summary: The error occurs when the application is configured directly from the zipped folder without extracting to the Applications folder.



Solution:



Perform the steps as provided in the screenshots below to fix the issue:



Step 1:





Step 2:







Step 3:







Step 4:







Launch the QuarkXPress 2015.app file to configure the license and complete the installation process.



Once you have completed the installation, it will further ask you to activate the license and use the program without any issues.