Why My Norton Installation Failed Mac?

Norton Antivirus is a software that provides the best protection to your computer. If you are getting the Norton Installation Failed message on your Mac,

Norton Installation Failed Mac

Steps To Resolve

  • On your Mac, click the Finder icon in the Dock panel and select Applications from the left-side panel beneath Favorites.
  • Locate the Norton icon in the folder and move it to Trash.
  • If prompted, click Continue to allow Norton to remove the system extension.
  • When you are asked for the Mac administrator password, enter it in the required field and click OK.
  • Click the Uninstall button in the pop-up window and enter your Mac administrator password again (if prompted).
  • Click on Install Helper and select Restart Now.
  • Once you have restarted the Mac computer, open the default browser and visit the official Norton site.
  • Download the RemoveNortonMacFiles.zip file for your macOS version.
  • Next, click the Finder icon in the Dock panel and select Downloads from the left-side panel.
  • Open the RemoveNortonMacFiles folder and double-click the RemoveNortonMacFiles.command file.
  • Click on Open with and select the Terminal (Default) option.
  • Enter your Mac administrator password in the Terminal window and press the Enter key.
  • Type 1 if you wish to remove all the Norton files from your Mac and hit the Enter key.
  • Otherwise, type 2 to quit RemoveNortonMacFiles and press Enter.
  • Once you have removed all the Norton files, type ‘Y’ in the Terminal window and hit the Enter key to restart your Mac.
  • To reinstall the Norton antivirus on your Mac, open the default browser and visit the official Norton site.
  • Sign in to your Norton account with the help of the login credentials and click the Download button in the My Norton portal.
  • Select the Agree & Download option on the Get Started page.
  • After completing the download, run the installer and check if the Norton Installation Failed on message reappears.
  • If still the Norton installation failed Mac issue persists, contact our technical experts by clicking the Call button on this page. They will assist you in resolving the installation error.