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Todays’ topic mainly deals with the issues related to the Norton error 8504 & 101. So, let’s stick to the topic itself and we will discuss a little further in this article to fix the issue of Norton error 8504 and 101.
Norton Internet Security Error 8504 & 101 – Reasons
- You must have downloaded a corrupt file
- You must have not completed the installation process
- Incomplete download of the Norton antivirus software
- New Norton Software irregularities in the Windows registry may be occur
- Corrupt Windows file that may have caused due to Virus and Malware
- Clash of some other application with the Norton Antivirus software

Repair Registry Entries Associated with Error 8504 101
To manually repair your Windows registry, first, you need to create a backup by exporting a portion of the registry related to Error 8504 101 (eg. Norton Internet Security):
- Click the Start button.
- Type “command” in the search box… DO NOT hit ENTER yet!
- While holding CTRL-Shift on your keyboard, hit ENTER.
- You will be prompted with a permission dialog box.
- Click Yes.
- A black box will open with a blinking cursor.
- Type “regedit” and hit ENTER.
- In the Registry Editor, select the Error 8504 101-related key (eg. Norton Internet Security) you want to back up.
- From the File menu, choose Export.
- From Save In list, select the folder where you want to save the Norton Internet Security backup key.
- In the File Name box, type a name for your backup file, such as “Norton Internet Security Backup“.
- In the Export Range box, be sure that the “Selected branch” is selected.
- Click Save.
- The File is saved with a .reg extension file.
- You now have a backup of your Norton Internet Security-related registry entry.
If your 8504 101 error is related to a specific program, reinstalling Norton Internet Security-related software could be the answer.
Instructions for Windows 7 and Windows Vista:
- Open Programs and Features by clicking the Start button.
- Click the Control Panel on the right side menu.
- Now, Click Programs.
- Click Programs and Features.
- Locate Norton Internet Security Error 8504 And 101-associated program (eg. Norton Internet Security) under the Name column.
- Click on the Norton Internet Security-associated entry.
- Click the Uninstall button on the top menu ribbon.
- Follow the on-screen directions to complete the uninstallation of your Error 8504 101-associated program.
Instructions for Windows XP:
- Open Programs and Features by clicking the Start button.
- Click Control Panel.
- Click Add or Remove Programs.
- Locate Norton Internet Security Error 8504 And 101-associated program (eg. Norton Internet Security) under the list of Currently Installed Programs.
- Click on the Norton Internet Security-associated entry.
- Click the Remove button on the right side.
- Follow the on-screen step to complete the uninstallation of Norton.
Instructions for Windows 8:
- Hover the cursor in the bottom left of the screen to produce the Start Menu image.
- Right-Click to bring up the Start Context Menu.
- Click Programs and Features.
- Locate Norton Internet Security Error 8504 And 101-associated program (eg. Norton Internet Security) under the Name column.
- Click on the Norton Internet Security-associated entry.
- Click the Uninstall/Change on the top menu ribbon.
- Follow the on-screen directions to complete the uninstallation of your Error 8504 101-associated program.
Run the Disk Cleanup:
- Turn ON your system to begin
- Now click on the Start option that is on the extreme bottom-left corner of the screen.
- When you see the search box, type “Command” there
- Once the permission dialogue box appears, just make a selection on “Yes”
- Now type “Cleanmgr”.
- Hit enter after that
- After executing this step the disc manager will initiate, and the temporary files will also be removed
Fixing Norton Error 8504 & 101:
Fix the Norton security error 8504 and 101 by following the steps mentioned below:
- Start by Turning ON the system
- Now make sure that you have an internet connection to execute the step mentioned below
- Browse to the official website of Norton
- Now download the Norton Remove and Reinstall tool
- Once you have downloaded the file make sure you save the file
- Go to the downloads window by hitting Ctrl + J key together
- Locate the NRnR logo and double click on it
- Once you are able to witness the license agreement. Click on Agree after reading the agreement
- Make a selection on the option of Advanced Options
- Now select Remove Only
- Hit the option of Remove
- Click on the Restart Now option
- You must follow the on-screen instructions after your system has been restarted.
Hopefully, the Norton internet security error 8504 and 101 have been resolved. So, these were the fix related to the Norton error 8504 101.