Message: "The Norton extension for web browser cannot communicate with the Norton Security application" appears on my Mac

To fix this problem, uninstall and reinstall your Norton product.


Uninstall your Norton product

  1. In the Applications folder, double-click your Norton product.

  2. On the menu bar, next to the Apple icon, click Norton product, and then select Uninstall Norton Security.

    You need to be in the Norton product application window to get the menu options.

  3. In the Uninstall Norton product confirmation window, click Uninstall.

  4. Type your Administrator account name and password, and then click Install Helper.

  5. In the uninstaller window, click Restart Now.


Manually remove the Norton extension in Chrome

    If you use Safari or Mozilla Firefox, and do not have Google Chrome installed on your Mac, go to Step 3 to download and install your Norton product.

  1. Start Google Chrome.

  2. In the top-right corner, click the Customize and control Google Chrome icon, and click Settings

  3. Under Chrome, click Extensions.

  4. In the Extensions window, select the Norton extensions, and click the trash bin icon.

  5. Click Remove to confirm.


Download and install your Norton product

  1. Sign In to Norton.

  2. If you are not signed in to Norton already, you are prompted to sign in. Type in your email address and password for Norton, and click Sign In.

    If you do not have a Norton account, click Create account and complete the sign-up process.

  3. In the Norton Setup window, click Download Norton.

  4. Click Agree & Download.

  5. Click OK to save and open the file.

  6. When the download finishes, double-click the Norton product Installer.

  7. Click Agree & Install to start the installation.

  8. Follow the on-screen instructions to complete the installation.

  9. When LiveUpdate finishes installing updates, click Continue.

  10. In the Installation Successful window, click Restart.

    You must restart your computer to complete the installation process.

Thank you!

Thank you for using Norton Support.

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DOCID: v116851442_EndUserProfile_en_us
Operating System: Mac OS X
Last modified: 05/15/2017