Norton 360 Not Opening Mac

Norton 360 is a security tool that includes a personal firewall, an antivirus program, a PC backup feature, phishing protection, VPN security, etc. It differs from other Norton security software due to its PC maintenance and file backup capabilities. Sometimes, the Norton 360 application will not open on your Mac computer. This issue will occur due to outdated software, or the Norton antivirus files may be corrupted by the virus. By following the below instructions, you can solve the issue.

Select the Restart option

Restart Your Mac:

  • First, close all the applications you have opened on your Mac computer.
  • Now, choose the Apple logo at the top-left corner of the window.
  • Next, select the Restart option from the drop-down list.
  • Now, your Mac will take some time to restart.
  • Once the Mac turns on, check whether you can open the Norton 360 application.
  • If you can’t open it, follow the next step.

Reinstall The Norton Product:

Before reinstalling the Norton 360 application, you must completely uninstall the existing Norton application from your Mac computer. By following the below instructions, you can uninstall and reinstall the Norton 360 application on your Mac.

Uninstalling The Norton 360 Application

Uninstalling The Norton 360 Application:

  • From your Mac’s main screen, click on the Finder icon in the dock.
  • Next, select the Applications option from the left menu panel below the Favorites category.
Select the Applications option
  • Now, navigate to the Norton product from the list of applications and move it to the Trash folder.
  • Select Continue to confirm uninstalling the Norton product from your Mac.
  • Next, enter your administrator account password in the respective field when prompted and click OK.
  • Now, the confirmation window will appear on the screen. Click on the Uninstall button.
Norton Security Uninstall
  • Once you are prompted, enter your administrator account password and click on the Install Helper option.
  • In the next window, click on the Restart Now button to restart your Mac.
  • Now, reinstall the Norton application by following the below instructions.

Installing The Norton 360 Application:

  • Go to Norton’s official webpage on your Mac computer.
  • Next, enter your Norton account’s email address and password in the respective fields and click on the Sign-in button.
Installing The Norton 360 Application

Installing The Norton 360 Application:

  • Click on the Download button on the My Norton portal page.
  • Select the Agree & Download button in the Get started window.
Agree & Download button
  • In case an alert message displays, click on the Allow button.
  • After completing the download, open the file to begin the installation process.
  • Perform the on-screen instructions to complete the installation of the Norton 360 application on your Mac computer.

Now, check and see whether you can open Norton 360 on your Mac. By now, it should open without any issues.


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