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How to fix Norton Security Suite Error Code 8504 And 104?

The idea of securing your computer with an antivirus program might prove to be a worthy decision. But, not every user has a pleasant experience while installing their preferred security program. Many PC users, while installing the Norton Security Suite, have come across the error code 8504, 104. This is not an issue without any solutions. Here, on this page, we have the solutions to clear this error. But, before stepping forward to perform the troubleshooting steps, you must know the reason for the Norton Security Suite Error Code 8504 And 104 to pop up so that you could avoid it in the future.

Norton Security Suite Error Code 8504 And 104

Reasons for the error code 8504, 104:

There are two major reasons for the appearance of the error code 8504, 104 while installing Norton Security Suite on your PC. They are:

  • Incomplete installation or upgrade process of the Norton product.
  • Existence of another antivirus program on the PC.

Solutions for the error code 8504, 104:

Use the Norton Remove and Reinstall Tool:

This method should be preferred if the Norton error code 8504, 104 has occurred due to incomplete Norton installation or upgrade process. Due to these incomplete or failed attempts, your PC will have some residue Norton files that might block the installation of Norton again. To remove those residue files from incomplete installations, you have to use the Norton Remove and Reinstall Tool.

  • On your computer, make sure it is connected to the Internet and open a web browser.
  • Go to the official site of Norton.
  • Locate and download the Removal tool to the computer.
  • After the download, double-click the NRnR icon to run the installation of the removal tool.
  • Your computer will restart multiple times.
  • Once the Removal tool uninstalls Norton from your computer, immediately you can proceed to install Norton.
  • Now, check if you could install Norton without the error code 8504, 104.

Uninstall the third-party security program:

If the error code 8504, 104 has been triggered by the third-party security program installed on your computer, then you have to uninstall it. To uninstall a third-party security program on a Windows computer, follow these instructions.

  • Click the Start menu and click the Settings option.
  • On the Settings window, go to the Apps option and then choose Apps & Features.
  • Now, locate the security program and click the Uninstall button.
  • Follow the instructions displayed on the screen to complete the uninstallation.
  • If your security program has a dedicated removal tool, then you can use it to remove the security program from your computer.
  • Now, proceed to install Norton Security Suite on the computer.
  • Now we have seen how to fix Norton Security Suite Error Code 8504 And 104