How to fix Norton error 8504?

How to fix Norton error 8504?


Norton AntiVirus applications have powerful features that can help detect malware and viruses. Regardless of the impressive features and is one of the hottest and used antivirus programs on the market, it is not fault-tolerant. Sometimes users regularly complain about many different and clear error codes when downloading or updating the program. In the guide below we will deal with the Norton 8504 error. We will discuss exactly what this error means and how it can be solved.


Norton 8504 Error Review Any 8504 Norton error suggests that Norton was not working properly.

To configure applications, by starting or shutting down Windows, or even if you are trying to configure the Windows operating system. Error 8504 is a runtime environment and had several symptoms such as:

Active application crashes and error 8504 appears on the monitor.

After running Exact Same on the computer, it crashes using the entire 8504 100 error message Entering a computer mouse or keyboard, like Windows, is slow

The computer smells for a few seconds.

Error 8504 occurs in Norton 360.

There are many reasons that can cause error 8504, these are:

Faulty or corrupt Norton 360 application download.

This measure must be achieved by an expert because incorrect editing of the registry can have a negative impact that can cause irreversible damage to the operating system. In addition, to do this, you need to back up by mimicking the part related to error 8504.

The probability of infecting your computer with malware and damaging or deleting files associated with a runtime error causes error 8504.

Every computer collects nonsense while it's running. Unnecessary files accumulate while you regularly surf the Internet and slow down your computer. This regularly results in 8405 100 errors from Norton. That is why it is important to clean up temporary files using the Disk Cleanup feature and check if the 8405 dilemma has been resolved. If it still works, you can proceed to the next step.

Update your computer's drivers.

Frequently outdated PC disks can cause error 8504. So, even though it was running on a different day and an error message suddenly appears, I am trying to update the driver. However, finding the right and specific driver can be difficult, so it is strongly recommended that you seek specialized help. Hiring the wrong or unfinished driver can cause more damage and worsen the problem.

"Undo" current system changes using the Windows System Restore tool

You can fix error 8504 using the Windows System Restore tool. This allows you to restore the system to the state if there were no such problems. It's like turning back the clock.

Uninstall and reinstall

If there is a specific application in Norton 360 that causes 8504 failure, try uninstalling the application and reinstalling the program.

Windows System File Checker is a tool that allows you to scan and restore virtually any corrupted Windows system file, which includes all crashes related to Norton 360, in particular, 8504 errors.


Sometimes, you can resolve runtime error issues by upgrading Windows with the latest update released by Microsoft. Updating this computer with the latest service pack or a patch often published by Microsoft to improve and upgrade Windows can do well and solve 8504 problems.


Clean installation of Windows.

This is the last resort for 8504 errors. Keep a copy of everything you need from your hard drive because reinstalling Windows will remove everything from your hard drive, resulting in a system cleanup.


The error can be caused by the existence of some other anti-virus program or anti-virus program from the computer or incorrect configuration of the item or failure to upgrade to a newer version. 

To resolve the problem, do the following:

Norton Remove and remove the Download and Run tool.

Follow the step for Norton Error 8504.

If the problem persists, follow this step:-

Eliminate the non-Symantec security product.

- To open the Run dialog box Press Windows + R.

- Select a non-Symantec security product from this list and click the Uninstall.

- Restart your computer after installation or elimination.

- Open the Run dialog by pressing the Windows + R keys simultaneously.

- Type in devmgmt.msc in the dialog box and press Enter.

- Then on the HD graphics card, right-click and select Properties.

- Check if the graphics card driver is standing when it is outdated or current on the Driver card. In case the driver is outdated, you need to install the latest version of the graphics card driver by downloading it. Maintaining the graphics card driver is necessary to prevent Norton 8504 104 error.

- Restart your computer after updating your graphics card driver.