If you have just updated your MacOS - please see this article.


How to resolve invalid license error with Babylon for Mac:


  1. Removing 'Babylon Activation' from Accessibility window:

    • Click on the apple icon on the Menu bar (on the left corner of the window).

    • Choose 'System Preferences'.



    • Follow the path by clicking on: 'Security and Privacy' -> 'Privacy' -> 'Accessibility'.
      Security & Privacy window will be shown:


      (apps in the right list might differ from one computer to another)

    • Click on the Lock sign at the bottom of the window and type the password of your Mac.
      The lock will open.

    • Mark 'Babylon Activation'.

    • Click on the '-' sign that appears under the list.
      ('Babylon Activation' will disappear)

  2. Uninstall Babylon
    • Open Babylon.

    • Click on 'Babylon' on its menu bar.

    • Click on 'Uninstall Babylon…'


    • Confirm the uninstall.
    • Enter your Mac password on confirmation.

  3. Install Babylon

    Click here to download and run Babylon installation.

    * If you get a message that the setup file can't be opened - follow the instruction here to open it.


  4. Enter your License Code (for Babylon):

    Enter your License details in the license window that is shown on the screen, or make it show by doing the following:

    • Open Babylon.

    • Click on Babylon on the menu bar and choose 'Licenses'.



    • Enter the license and click on 'Register'.


  5. Add 'Babylon activation' to Accessibility Window
    • Click on the apple icon on the Menu bar (on the left corner of the window).

    • Choose 'System Preferences'.



    • Follow the path by clicking on: 'Security and Privacy' -> 'Privacy' -> 'Accessibility'.
      Security & Privacy window will be shown:


      (apps in the right list might differ from one computer to another)

    • Click on the '+' sign that appear under the list.
      (if next window is not shown – choose 'Get more Applications')

    • Locate 'Babylon Activation' on your computer:
      • look for hard disk icon named HD on the left bar of the window, under 'Devices' section.
        (or Macintosh HD or so).

      • follow the path by clicking on: 'HD' -> 'Library' -> 'Application Support' -> 'Babylon' -> 'Babylon Activation' and then click on 'open'.

      • 'Babylon Activation' will be added to the list of the activated programs in Accessibility window.


      • Click on the Lock sign to lock accessibility and the Babylon icon will appear on task bar.
        Once done, you should see 'Babylon Activation' with a checked box to its left.


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 In case that HD isn't displayed under 'Devices' section in the list while trying to locate 'Babylon activation' follow these steps before locating the module:


  1. Open the Finder on menu bar.

  2. Click on 'Preferences'

  3. Check 'Hard disks' under 'Show these items on the desktop'

  4. On same window click on 'Sidebar' and mark 'Hard Disks'.

  5. Go back to - 'Locate 'Babylon Activation' on your computer' above.