The links on the website are in affiliation with Amazon Associates worldwide and we earn a commission for qualifying purchases

Fixing Norton Antivirus Error 8504

How To Fix Norton Antivirus Error 8504: Explained

Norton Security is one of the most widely used antivirus software that protects your computer from  undesirable threats and problems. Norton family has a great reputation for being a quality virus protection tool. It is available for both Windows and Apple operating systems. Norton 360 or Norton AntiVirus Plus are for Apple. Moreover, you can also check what to do if you think your  Macbook Air has a virus. While Norton offers great protection against such viruses, it can also cause problems by displaying errors such as error 8504 or Norton 360 error 8504.  

Viruses are malicious programs or codes that can harm, delete or damage files and programmes on your system. Moreover, they can stay hidden on your computer and replicate to cause further damage. They can cause significant damage to your files and folders. To protect your computer, you need to understand how a virus works and what you can do to prevent it from harming your computer. You can also read about the difference between the two types of viruses to better understand how you can prevent any virus related issues. 

Error 8504 is one of the common issues that arise with Norton Security. As a result, a lot of people do not know how to solve this problem and find themselves scrolling on the internet for hours without being able to fix it. 

Why do I see the Norton Antivirus Error 8504 code?

Firstly, we need to understand the reasons for the 8504 error code on Norton. There are various reasons why you are encountering error 8504. The most common reasons include incorrect system configuration or the presence of irregularities in system elements. If you feel that you are unfamiliar with these terms, don’t worry as we will simplify this information for you. Here are the reasons why you might be seeing this error:

  1. Installing Norton antivirus over an existing antivirus software in the system.
  2. Incomplete installation or failed processes.
  3. A technical issue preventing Norton Antivirus from updating.

Other common Norton error codes

Error 8504 is also shown in the following ways:

  • Norton Error 8504 0
  • Error 8504 5
  • Norton Error 8504 104
  • Error 8504 102
  • Norton Error 106
  • Error 8504 100
  • Norton Error 8504 101

If you encounter any of these errors, follow this simple guide to fix it.

Fixing Norton Antivirus 8504 Error

Restarting Your PC

Nowadays, a lot of people do not shut down their computers too often. As a result, certain temporary files interfere with the computer’s updating or uninstallation features. This is a really simple thing to do and it may solve your problem instantly. Simply click restart from the start menu and see if it solves your problem. A restart can also solve the issue related to installing updates. If it does not, then you can try the fixes explained below. 

Remove all third-party antivirus software from your PC

The first thing that you need to do is to remove all third party security applications from your computer. You can simply do this by following these steps:

  • Access the add/remove directory from your control panel.
  • Once you see a list of programmes that have been installed on your computer, find the antivirus/security tool and click remove the programme.
  • Follow the instructions provided and after uninstallation, perform a restart.
  • You can also use a shortcut by pressing the Windows + R keys together:
  • In the dialogue box, type appwiz cpl.
  • Press Enter to open the Programs and Features screen.
  • Once its opened, right click on the program and click remove. Follow the on screen steps to complete the uninstallation.
  • After installation, restart your PC.

Using Norton Remove and Reinstall Tool to Eliminate Norton antivirus Error 8504

The remove and reinstall tool can remove Norton antivirus from your computer system and reinstall it. To access Norton’s remove or uninstallation tool, go to their website and download the setup. Access your downloads, launch the setup and install the tool. Once installed, click on advanced and select remove only. After it is removed, restart.

The tool can also be used to remove and reinstall Norton automatically. However, if you use a Norton product offered by a service provider, you will have to install it manually.

Updating Your Graphics Card

It is uncommon but several users have confirmed that updating their graphics card solved their problem. If you get an error 8504 104 or any other errors relevant to Norton, you can try updating your graphics card to see if it resolves the issue. Follow the following steps to update your graphics card:

  • To update your graphics card, click on My Computer, then go to Manage and select Device Manager.
  • It will open a new dialog box. From the left side, choose Display Adapters. To open the device manager, you can also use a shortcut. Press Win+R and type devmgmt.dsc in the dialogue box.
  • After selecting Display Drivers from the left, right click on HD Graphics Card and select Update Driver Sotware. Once the update is complete, restart your system.

Using Norton AutoFix Tool

Similar to Norton’s remove and reinstall tool, the auto fix tool is an application that can fix Norton related errors. The tool detects issues related to Norton security automatically. The tool can be downloaded from Norton security’s website.

Updating Your Device Drivers

Norton Antivirus can also cause problems if your computer’s drivers are not updated. Normally, drivers are updated automatically if you are connected to the internet. However, sometimes drivers are not updated due to technical issues and it causes the computer to experience crashes and errors.

You can easily update your drivers using a driver update tool such as Driver Doc.

Reinstalling Your Operating System

Corrupt windows could also be the reason why you are encountering these errors. Reinstalling your windows or operating system will most likely solve the issue with Norton Antivirus security product and various other tools.


There are various ways to fix your Norton error 8504. Your problem would most likely to be resolved with either one of these solutions. However, sometimes the problem is solved simply with a restart whereas in some situations you have to follow complex troubleshooting in order to fix the errors. Our guide makes it easy for you to follow simple on screen instructions to reinstall or remove your Norton product. However, if you are unable to fix the error, you can always contact Norton security helpline to get support.


How can I fix Norton security errors?

You can try restarting your computer to see if it solves the problem. If restarting does not remove the error, you can try the Norton remove and reinstall tool. Moreover, if the problem persists, you can reinstall/update your device drivers.

Why can’t I install Norton on my PC?

You will have to delete any other third party antivirus software on your computer. Once you delete it, download Norton security and follow on screen instructions to install it. After installation, restart your computer, and it will be ready to use.

Do I need to delete my previous Norton security version to update to a newer version?

No, you do not need to delete it. However, If you have an already installed version of Norton security, you can upgrade it to a later version without uninstalling it. Norton automatically installs the new version and replaces it with the previous version.

How to update a Norton Security Product?

Visit Norton Update centre and click update me now. The download will start automatically. However, if the download does not begin, you can also download it manually.

Does Norton Security updates automatically?

If you have an existing subscription, Norton will update automatically. If updates are not being installed automatically, you should check your settings and switch updates to download automatically. It is important to have the latest version of Norton security to protect your PC from threats and viruses.