QuarkXPress version- QXP 2020(version 16)


For Mac- You need to go to User Library(Hold the option key and click on Go or check the below link)/Application Support/Quark/QuarkXPress and delete this QuarkxPress folder.


How to open User library-https://helpx.adobe.com/in/x-productkb/global/access-hidden-user-library-files.html


Now launch the QXP 2020 and enter your validation code to use this further.


For Windows(V 16.3.3):- Kindly open the run(press windows key from keyboard+R simultaneously) window, type  %localappdata%/Quark , click on OK and delete the QuarkXPress folder.


Now launch the QXP 2020 and enter your validation code to use this further.