---
# System prepended metadata

title: 1-866-411-9244  How to Fix Norton Error 8504 & 104

---

# 1-866-411-9244 How to Fix Norton Error 8504 & 104
Norton antivirus software is widely recognized for its ability to protect users from malware, viruses, and other online threats. However, like any software, it can encounter errors that disrupt its functionality. Two common issues faced by users are Norton Error 8504 and Norton Error 104. Understanding these errors and how to resolve them is crucial for maintaining your device's security.

**Understanding Norton Error 8504 and Error 104**
**Norton Error 8504**
Norton Error 8504 typically occurs during installation, uninstallation, or update processes. It can also arise when the Norton software fails to run properly due to various conflicts with the operating system or other applications. This error may prevent users from accessing the antivirus features, putting their systems at risk.

**Causes of Norton Error 8504**
**Corrupted Installation Files**: If the installation files are damaged or corrupted, it can lead to this error.
**Conflicts with Other Security Software:** Having multiple antivirus programs installed can create conflicts, resulting in this error.
**Incomplete Uninstallation:** If previous versions of Norton or other antivirus software are not completely removed, it can lead to issues.
**Norton Error 104**
Norton Error 104 is primarily related to connection issues. It often indicates that the Norton software cannot connect to the server to update virus definitions or other components. This error can also prevent users from accessing certain features of the software.

**Causes of Norton Error 104**
**Internet Connectivity Issues:** Problems with your internet connection can cause this error.
**Firewall Settings:** Sometimes, firewall settings may block Norton from accessing the internet.
**Proxy Settings:** Misconfigured proxy settings can prevent Norton from connecting to its servers.
**Troubleshooting Norton Error 8504**
S**tep 1: Restart Your Computer**
Before diving into more complex solutions, restart your computer. This simple step can often resolve temporary issues that might be causing the error.

**Step 2: Uninstall Conflicting Software**
**Remove Other Security Software:** If you have another antivirus program installed, it’s recommended to uninstall it. Having multiple security programs can lead to conflicts.
**Uninstall Norton:** If the error persists, consider uninstalling Norton completely using the following steps:
Go to **Control Panel > Programs > Programs and** **Features.**
Select Norton and click **Uninstall.**
Follow the prompts to complete the uninstallation.
**Step 3: Use the Norton Removal Tool**
To ensure all components of Norton are removed from your system, use the Norton Removal Tool.

Download the Norton Removal Tool from the official Norton website.
Run the tool and follow the on-screen instructions to remove all Norton products.
Restart your computer after the process is complete.
**Step 4: Reinstall Norton**
After successfully removing Norton, reinstall it:

Go to the Norton website and log into your account.
Download the latest version of Norton.
Follow the installation instructions carefully.
**Step 5: Check for Windows Updates**
Ensure that your operating system is up to date:

Go to **Settings > Update & Security > Windows Update.**
Click on **Check for updates** and install any available updates.
Restart your computer if updates were installed.
**Step 6: Run the Norton AutoFix Tool**
Norton offers an AutoFix tool that can automatically fix common issues.

Open the Norton application.
Navigate to **Help > Norton AutoFix.**
Follow the instructions to detect and fix issues.
**Step 7: Modify Registry Settings**
If you are comfortable working with the Windows registry, you can modify settings that may be causing the error. However, be careful, as incorrect changes can lead to system instability.

Press Windows + R, type regedit, and press Enter.
Navigate to the following path:
HKEY_LOCAL_MACHINE\SOFTWARE\Norton\Norton AntiVirus.
Look for any entries related to error messages and delete them.
Close the registry editor and restart your computer.
**Troubleshooting Norton Error 104**
**Step 1: Check Your Internet Connection**
Ensure that your device is connected to the internet. Try browsing a website to verify connectivity.
If you encounter issues, restart your router/modem.
**Step 2: Disable Proxy Settings**
Open **Control Panel > Internet Options.**
Go to the **Connections** tab and click on **LAN settings.**
Ensure that **Use a proxy server for your LAN** is unchecked.
Click OK and restart your computer.
**Step 3: Adjust Firewall Settings**
Open the **Norton application.**
Go to **Settings > Firewall.**
Check if the firewall is blocking Norton. If necessary, adjust the settings to allow Norton to connect to the internet.
**Step 4: Reinstall Norton**
Similar to fixing Error 8504, reinstalling Norton can resolve issues with Error 104. Follow the same steps mentioned above to uninstall and reinstall Norton.

**Step 5: Run the Norton Power Eraser**
Norton Power Eraser is a tool designed to remove deep-rooted malware and can also help with connection issues.

Download Norton Power Eraser from the official Norton website.
Run the tool and follow the on-screen instructions.
**Step 6: Contact Norton Support**
If the error persists after trying the above steps, contacting Norton Support may be necessary. They can provide specialized assistance tailored to your issue.

**Contacting Norton Support**
If you continue to experience Norton Error 8504 or 104 after following these troubleshooting steps, reaching out to Norton support can provide the guidance you need.

**Norton Customer Support Information**
Phone Number: For immediate assistance, you can call Norton support at 1-866-411-9244. Their representatives are available to help with technical issues, including error codes.
Live Chat: Visit the Norton website for a live chat option with support agents.
Help Articles: The Norton support website also offers a plethora of articles and FAQs that may help you troubleshoot your issues.
**Conclusion**
Norton Error 8504 and Error 104 can be frustrating, but with the right troubleshooting steps, you can resolve these issues effectively. Always ensure that your software is up to date and that no conflicting programs are installed on your system. If you encounter persistent problems, don’t hesitate to reach out to Norton support for professional assistance.

By following the steps outlined in this guide, you should be able to fix Norton errors and restore the functionality of your Norton antivirus software, ensuring your computer remains protected against online threats.

