Any CT image, even new ones have black lines running through them.
The problem is since upgrading system components to v14. Otherwise, ColorTone was previously working.
Delete the ColorTone Preference files located in <drive>:\Esko\bg_data_colortone_v070\config\username
For information regarding installing ColorTone 7 to the latest build, see here:
KB73058583: ColorTone - How to install ColorTone 7 in Suite 10 or Suite 12