Norton error 8504 and 104 can arise for various reasons, such as conflicts with other security software, corrupted Norton installation files, or issues with Windows. To correct the problem, follow these steps:
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Method 1: Download and Launch the Norton Remove and Reinstall Tool.
Download the Norton Remove and Reinstall Tool from the official Norton website.
Save the downloaded file to your desktop or another easily accessible location.
Double-clicking the downloaded file will launch the Norton Remove and Reinstall Tool.
Read and sign the License Agreement.
Click “Uninstall and Reinstall.”
Follow the on-screen instructions to uninstall Norton from your computer.
Once the removal has been completed, please restart your computer to complete it.
Once your computer has rebooted, use the Norton Remove and Reinstall Tool again to delete and reinstall Norton software.
Follow the on-screen instructions to reinstall Norton on your computer.
When re installation is completed, check if error 8504 104 has been resolved.
Method 2: Disable Conflicting Security Software
Conflicts between Norton and other security software can result in error 8504 and 104. Any other antivirus or security programs installed on your computer must be uninstalled to prevent these errors from reoccurring.
Method 3: Update Windows and Device Drivers
Update your Windows and device drivers regularly using Windows Update or by checking manufacturer websites for driver updates to avoid compatibility issues with Norton. If your operating system and drivers become outdated, they could cause Norton compatibility issues. Ensure they remain up-to-date by running Windows Update regularly and monitoring manufacturer websites for potential driver updates.
Method 4: Run Windows System File Checker (SFC).
Launch a Command Prompt with administrative privileges by searching “cmd” in the Windows search bar, right-clicking “Command Prompt,” and choosing “Run as administrator.”
Type the following into the Command Prompt window and press Enter:
As part of System File Checker’s scan and repair capabilities, use sfc /scannow to run it and make any necessary corrections to any corrupt or missing system files on the PC. Please be patient during this process – it may take some time.
Once the scan has finished, restart your computer.
Method 5: Upgrade Norton To ensure you are using the most current version of Norton: To update Norton:
Launch Norton on your computer.
Click “Help” in the main Norton window for assistance.
Select “Check for Updates.”
Follow the on-screen instructions to upgrade Norton to the most up-to-date version.
Method 6: Get in Touch with Norton Support
Suppose none of the above solutions resolve errors 8504 and 104 for additional help. In that case, it’s advised that you contact Norton Customer Support for further guidance and troubleshooting services tailored specifically for you. They may provide tailored assistance based on the circumstances that led to it. Before making significant modifications to your computer, such as installing Norton or updating drivers, always back up important files to prevent data loss.