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How to fix Norton Error 8504


You might come across that you are facing an issue of Norton Error 8504. Majorly, the error arises because you must be using Norton’s Download Manager software. The error can also be caused by any other security product or an issue in the internet connection.

According to Norton reports, majorly error occurs due to a failed install when you have been upgrading Norton Software to a newer version. You can try re-installing the software to overcome Norton Error 8504.

Highlighted below are some steps to fix the issue of Norton Error 8504:

  • Run ‘Norton remove and reinstall’ tool
  1. Download ‘Norton remove and reinstall’ tool and save the file on Desktop.
  2. Open the ‘Downloads, in your browser and double click ‘NRnR’ icon. Click on ‘Agree’ .
  3. Go to Advanced Options>Remove Only>Remove.
  4. Try restarting now and follow the on-screen instructions to re-install.
  • Uninstall non-Symantec security
  1. Press ‘Windows+R’ to open the ‘Run’ dialog box. Press enter and type the given text, ‘Appwiz.cpl’.
  2. ‘Uninstall’ or ‘remove’, non-Symantec products in the list of installed products.
  3. Follow the on-screen instructions and re-start your PC once you are done with re-installation.
  • Update Video Graphic Driver
  1. Press ‘Windows+R’ to open the ‘Run’ dialog box. Press enter and type the given text, ‘Appwiz.cpl’.
  2. Go to ‘Device Manager’ window and double-click on ‘Display Adapters’.
  3. Right click on HD Graphics Card, and go to ‘Properties’
  4. Check for the version of Graphics Card, on the ‘Driver’ tab. In case your driver is outdated, download and install the updated version of Graphic Card Driver. Restart the PC, once the installation process is complete.

Follow the above steps to resolve Norton Error 8504. In case, if the issue persists, feel free to contact Norton Tech Support Number. And for any other queries, you can get in touch with Norton Antivirus Support Phone Number at 1-844-898-5888.