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Norton 8504, 101 Error

How to resolve Norton Error Code 8504, 101?

Norton antivirus is a security application that can protect your Windows, Mac, Android, or iOS device from all kinds of malware and threats when installed. Sometimes, you might face issues with Norton and receive error codes. And one of the common errors is Norton Error Code 8504, 101 . Let’s see how to fix this error code quickly.

Cause or reason

Generally, the error code 8504, 101 occurs if any other security product is installed on your computer other than Norton.

Other reasons: the downloaded file is corrupted, incomplete installation, and your system files or files related to the Norton security application are affected by a virus or malware.

Solution

Use the Norton Remove and Reinstall tool

Run the Norton Remove and Reinstall tool on your computer to resolve the Norton error code 8504, 101.
Now, visit Norton’s official site.
Search and select the Norton Remove and Reinstall tool.
Click the Download button.
The downloaded file will be saved in its default location.
Select and move the downloaded file to the Windows Desktop.
Now, open the Norton Remove and Reinstall tool file.
Click Agree to accept the End Users Licence agreement of Norton.
After performing the on-screen prompts, click the Advanced Options tab in the displayed window.

Click the Remove Only button followed by Remove. The Norton software will be removed.
Wait for the process to complete.
Once it is completed, click the Restart Now button.
After restarting your computer, reinstall the Norton application by following the instructions displayed on the screen.
Now, check if the error code 8501, 101 is resolved.
You can perform the method given below if the issue persists.

Uninstall the non-Symantec security product

Any non-Symantec security product installed or present on your computer may be causing this error code.
To find and uninstall it, proceed with the instructions given below.
On your Windows computer, open the Run application.
Type the command appwiz.cpl.
Tap the Enter button.

Now, a window displaying the list of currently installed applications will open.
Look for the non-Symantec security product and select it.
Click the Uninstall or Remove button.
Wait for the product to uninstall.
Restart your Windows computer after the uninstallation.
Check if the Norton Error Code 8504, 101 is resolved. If not, contact us.