Solution 1:

Sometimes the Font Cache can become full which can cause certain fonts not to load. To see if this is the problem, clear the Font Cache using a cache cleaning or font management utility and restart the machine. If this doesn'’t work, go on to Solutions 2 or 3 below.

Solution 2:

  1. Navigate to Mac Hdd\ Applications\ QuarkXPress 9\ Required Components\ Fonts and copy the QuarkInvisibles.ttf file

  2. Navigate to Mac Hdd\ Library\ Fonts and paste the file in this location

  3. Safe boot to clear the font cache

Solution 3:

  1. Create a Root User account on the computer using the steps outlined in the Apple technical article at the following URL:

  2. Log in as the Root User and reinstall QuarkXPress 9 as the Root user.