Issue

When activating the program on Mac, you get the error message:

Invalid serial number. The serial number you entered is invalid. Please provide a valid serial number to activate ABBYY FineReader PDF.

Cause

Incorrect serial number\license number was used for FineReader Pro for Mac. FineReader Pro and FineReader PDF for Mac are two separate versions and should be activated with separate serial\license numbers.

Resolution

Please uninstall FineReader PDF for Mac and install ABBYY FineReader Pro using the following link.