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How to Troubleshoot Norton 360 Error Code 8504?

· Error Code 8504,Troubleshoot Norton,Norton Support,Norton supportNumber

Norton 360 error code 8504 is a technical error which occurs when users have another antivirus installed with Norton on their system and then you try to update it to the newer version of this security program. During the update of this antivirus, the installation will be unsuccessful and this error appears. This problem occurs when the files of this security program are infected by other software or due to the corrupted registry.

In order to fix this error code, Norton Antivirus technical support here provided a few simple solutions. Just go through below given solution properly.


Re-Install The Program

  • Firstly, download the Norton removal tool from the browser and install it on your computer.
  • While installing the tool, read the license agreement carefully and then tap on agree.
  • After that, you have click on advanced options and then select ‘remove only’ option.
  • Then you have to remove the antivirus with the help of this tool and after removing the program, restart your system and install the antivirus again on your computer.

Uninstall Another Security Program

  • Firstly, press windows+R on your keyboard to open run dialog box.
  • Then type ‘appwiz.cpl’ in the text field and press enter.
  • Then you have to search for another security product from the list of installed applications.
  • After finding the product, select it and click on the uninstall button.
  • Then follow the on-screen instruction to complete the process and after completion of the process, restart your system.

Update All Drivers

  • You have to open a command prompt in admin mode and type ‘devmgmt.msc’ in the text field and hit enter.
  • Then select drivers one by one in the device manager tab and then right-click on the adapter and search for the latest updates.
  • After updating the drivers, restart your PC.

Even after executing all the above steps, the error is still not fixed, then immediately call us at our Norton Customer Support Number +1-855-2649-333 and get an alternate possible solution from our engineers.

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