Message: "Could not add Norton Toolbar" appears when I update the Norton Toolbar extension for Firefox on my Mac

Before you update the Norton Toolbar extension in Firefox, run LiveUpdate to download and install all the available updates for your Norton product for Mac.

Run LiveUpdate

  1. Click Finder. On the Apple menu bar, click Go and then select Applications.

  2. In the Applications window, under Symantec Solutions folder, double-click Norton Internet Security.

  3. In the Norton Internet Security main window, click LiveUpdate.

    Run LiveUpdate until no further updates are available for your Norton product.

  4. When LiveUpdate finishes installing the updates, exit all the programs and restart your computer.

After you restart the computer and start Firefox, you are prompted to update the Norton Toolbar extension. Follow the on-screen instructions to update the extension.

Thank you!

Thank you for using Norton Support.

< Back

Was this information helpful?

DOCID: v113922161_EndUserProfile_en_us
Operating System: Mac OS X
Last modified: 01/07/2016