Message: "Norton 360 is unable to continue. Please restart your Mac to stay protected..."

To fix this problem, restart your computer and run LiveUpdate. If the problem persists, uninstall and reinstall your Norton product.

Before running the RemoveNortonMacFiles tool, make sure that you have uninstalled the Norton device security product on your Mac.

STEP 1

Restart your computer

  1. Exit all programs.

  2. Restart your computer.

STEP 2

Run LiveUpdate

  1. Open your Norton device security product.

    If you see the My Norton window, next to Device Security, click Open.

  2. In the Norton product main window, click LiveUpdate.

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

  3. When the LiveUpdate finishes, exit all programs and restart your Mac.

    If the problem persists, go to step 3.

STEP 3

Uninstall your Norton product

  1. On your Mac, click the Finder icon in the dock, and then click Applications in the left pane under Favorites section.
  2. Find the Norton application icon, and drag it to the Trash or Bin.

  3. Click Continue.

  4. When prompted, type your administrator account password, and then click OK.

  5. In the window that appears, click Uninstall.

  6. When prompted, type your administrator account password, and then click Install Helper.

  7. Click Restart Now.

STEP 4

Download your Norton device security product

Before you download the latest installer setup file, make sure that you delete all the older installer setup files available in the Downloads folder.

  1. Sign in to your account.

  2. Type in your email address and password for Norton account, and click Sign In.

  3. In the My Norton portal, click Download.

  4. In the Get Started page, click Agree and Download.

  5. When the download finishes, double-click the file that you downloaded to launch the Norton installer.

  6. Before you install your Norton product, click Norton License Agreement to read the product license agreement.

  7. Depending on your operating system, select one of the following:

Install Norton device security on macOS 10.15.x (Catalina) or later

  1. Click Install.

  2. In some cases, your Norton product provides you an alert to join the Norton Community Watch that collects information about potential security risks from your computer and sends the information to Norton for analysis. Do any one of the following:

    • Click Join Now to enable the Norton Community Watch on your Norton product.

    • Click Maybe Later to join the Norton Community Watch later.

    You can click Learn More to know more about Norton Community Watch.

  3. When prompted, type your Mac administrator user account password, and then click Install Helper.

  4. Click Restart.

  5. After you restart your Mac, in the Norton installation window, click Open Preferences.

  6. If you see the System Extension Blocked alert, click Open Security Preferences.

  7. In the Security & Privacy window, click the lock icon at the bottom.

  8. When prompted, type your administrator account password, and then click Unlock.

  9. Click Allow corresponding to the Norton message, navigate back to the Norton installation window, and then click Continue.

    If you do not see the Allow button, then close and reopen the Security & Privacy window to view the Allow button.

    Allow System Extensions
  10. In the Norton installation window, click Continue, and then click Allow to allow your Norton product to monitor all the network activities and block malicious websites from accessing your Mac.

    Allow Network Monitoring
  11. In the Norton installation window, click Open Preferences to allow your Norton product to access your disk for better protection.

  12. In the Security & Privacy window, ensure that the Norton System Extension option is enabled. Navigate back to the Norton installation window and click Complete.

    Allow Full Disk Access

Install Norton device security on macOS High Sierra 10.13.x to macOS Mojave 10.14.x

  1. Click Agree & Install.

  2. In some cases, your Norton product provides you an alert to join the Norton Community Watch that collects information about potential security risks from your computer and sends the information to Norton for analysis. Do any one of the following:

    • Click Join Now to enable the Norton Community Watch on your Norton product.

    • Click Maybe Later to join the Norton Community Watch later.

    You can click Learn More to know more about Norton Community Watch.

  3. When prompted, type your Mac administrator user account password, and then click Install Helper.

  4. In the Norton installation window, click Open Now or Click here.

  5. Do any one of the following:

    • Click Allow corresponding to the Symantec message.

    • If you have multiple software or vendor installed on your Mac that requires your authorization, then you see Some system software was blocked from loading message instead of Symantec message. In that case, click Allow, select Symantec in the list, and then click OK.

    If you do not see the Allow button, then close and reopen the Security & Privacy window to view the Allow button.

  6. In the Norton Security installation window. click Continue.

  7. Click Restart to complete the installation process.

Install Norton device security on Mac OS X 10.10.x (Yosemite) to OS X 10.12.x (Sierra)

  1. Click Agree & Install.

  2. In some cases, your Norton product provides you an alert to join the Norton Community Watch that collects information about potential security risks from your computer and sends the information to Norton for analysis. Do any one of the following:

    • Click Join Now to enable the Norton Community Watch on your Norton product.

    • Click Maybe Later to join the Norton Community Watch later.

    You can click Learn More to know more about Norton Community Watch.

  3. When prompted, type your Mac administrator user account password, and then click Install Helper.

  4. When the installation completes, click Restart. Your product installation completes after you restart your Mac.

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DOCID: v117486982
Operating System: Mac
Last modified: 12/18/2023