Norton Antivirus Error 8504

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Solved: Norton Antivirus Error Code 8504

If you have any other security software installed other than Norton, the error 8504 may occur. The error may also pop up when you have recently upgraded your Norton Antivirus software, and the installation process fails.Consider the guidelines given below to fix the Norton Antivirus error 8504.

Norton Antivirus Error 8504

Step 1: Remove Any Other Antivirus Software

  • Uninstall or disable any other Security/Antivirus software active on your computer.
  • Press the Windows+R buttons together to open the Run dialog box.
  • Type “appwiz.cpl” in the Search section. Then, press the Enter key.
  • You can now view all the programs installed on your computer, select your Security/Antivirus software you want to remove. Then, click on the Uninstall/Remove button.
  • Complete the uninstallation process by following the instructions on the screen.
  • Remove any other Security tools by following the same procedure.
  • Once you have done uninstalling the other Security programs, restart your computer.

Step 2: Reinstall the Norton Antivirus Software

  • Go to the official Norton website from your web browser.
  • Navigate to the Support page and download the Norton Remove and Reinstall tool.
  • Make sure to download the latest version of the tool.
  • Run the downloaded file and agree with the license agreement of Norton.
  • Select the Advanced Options tab and click Remove only.
  • Once the uninstallation process is complete, restart your computer.
  • Reinstall the latest version of the Norton Antivirus software compatible with your computer’s OS.

Step 3: Update the Graphics Card

  • Right-click on the My Computer icon and select the Manage option from the list.
  • Go to Device Manager and click Display adapters.
  • Press the Windows+R buttons and type “devmgmt.msc.” Then, press Enter.
  • Open the Display Adapters window and right-click on the HD Graphics Card option.
  • Select Update Driver Software and verify the status of your HD graphics card.
  • Restart your computer to fix the Norton Antivirus Error 8504 issue.

Step 4: Download Norton AutoFix Tool

  • If the above steps couldn’t fix the error, the Norton AutoFix tool can help you to resolve the error.
  • Launch your browser and open a web page. Now, go to the official support site of Norton.
  • Download the Norton AutoFix tool and run it.
  • Your issue will be automatically detected and fixed by the AutoFix tool.