Delete the Readiris plist file to resolve the issue.
- In Finder on the Desktop click on the "Go" menu then "Go to Folder."
♦ You can also use the keyboard shortcut: Shift + Command + G
- Type or paste: ~/Library/
- Navigate to Application Support ►Readiris
- Drag the Readiris_16.plist to the trash and empty the trash.
- See if the program now works.