You have installed and activated Paragon Software product for Mac, rebooted, but now receive 0xface0001 error when you open the app.
This error appears if there are other Paragon Software programs installed, but haven’t been updated to the latest version, and still contain outdated Activation components.
Paragon HDM for Mac – at least 1.3.873
Paragon CampTune – at least 10.14.16
Microsoft NTFS for Mac by Paragon Software – at least 15.4.59
extFS for Mac by Paragon Software – at least 11.2.16
CampTune, ExtFS for Mac, Hard Disk Manager for Mac, NTFS for Mac OS X