How To Fix Norton 360 Error 8504, 104
|Error Number:||Error 8504, 104|
|Error Name:||Norton 360 Error 8504, 104|
|Error Description:||Won't open.|
|Applies to:||Windows XP, Vista, 7, 8|
Symptoms of Error 8504, 104
- "Error 8504, 104" appears and crashes the active program window.
- Your PC frequently crashes with Error 8504, 104 when running the same program.
- “Norton 360 Error 8504, 104” is displayed.
- Windows runs sluggishly and responds slowly to mouse or keyboard input.
- Your computer periodically “freezes” for a few seconds at a time.
These 8504, 104 error messages can appear during program installation, while a Symantec-related software program (eg. Norton 360) is running, during Windows startup or shutdown, or even during the installation of the Windows operating system. Keeping track of when and where your 8504, 104 error occurs is a critical piece of information in troubleshooting the problem.
Causes of Error 8504, 104
- Corrupt download or incomplete installation of Norton 360 software.
- Corruption in Windows registry from a recent Norton 360-related software change (install or uninstall).
- Virus or malware infection that has corrupted Windows system files or Norton 360-related program files.
- Another program maliciously or mistakenly deleted Norton 360-related files.
Runtime Errors such as “Error 8504, 104” can be caused by a variety of factors, so it is important that you troubleshoot each of the possible causes to prevent it from recurring.
Runtime Errors Knowledgebase
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How To Fix Norton 360 Error 8504, 104
Below is a list of troubleshooting steps to resolve your Error 8504, 104 problems. These troubleshooting steps get progressively more difficult and time consuming, so we strongly recommend attempting them in ascending order to avoid unnecessary time and effort.
Please Note: Click the [ ] image to expand the troubleshooting instructions for each step below. You can also click the [ ] image to hide the instructions as you proceed through each step.
Manually editing the Windows registry to remove invalid Error 8504, 104 keys is not recommended unless you are PC service professional. Incorrectly editing your registry can stop your PC from functioning and create irreversible damage to your operating system. In fact, one misplaced comma can prevent your PC from booting entirely!
Because of this risk, we highly recommend using a trusted registry cleaner such as (Developed by Microsoft Gold Certified Partner) to scan and repair any Error 8504, 104-related registry problems. Using a automates the process of finding invalid registry entries, missing file references (like the one causing your 8504, 104 error), and broken links within the registry. A backup is automatically created before each scan, with the ability to undo any changes in a single click, protecting you against the possibility of PC damage. The best part is that can also dramatically improve system speed and performance.
Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
To manually repair your Windows registry, first you need to create a backup by exporting a portion of the registry related to Error 8504, 104 (eg. Norton 360):
The next steps in manually editing your registry will not be discussed in this article due to the high risk of damaging your system. If you would like to learn more about manual registry editing, please see the links below.
We do not claim any responsibility for the results of the actions taken from the content linked below - complete these tasks at your own risk.
There is a chance that your 8504, 104 error could be related to a malware infection on your PC. These malicious intruders can damage, corrupt, or even delete Runtime Errors-related files. Furthermore, there's a possibility that the 8504, 104 error you are experiencing is related to a component of the malicious program itself.
Tip: If you do not already have a malware protection program installed, we highly recommend using Emsisoft Anti-Malware (). They offer a malware removal guarantee that is not offered by other security software.
Over time, your computer accumulates junk files from normal web surfing and computer use. If this junk isn't occasionally cleaned out, it can cause Norton 360 to respond slowly or provides an 8504, 104 error, possibly due to file conflicts or an overloaded hard drive. Cleaning up these temporary files with Disk Cleanup might not only solve your 8504, 104 error, but can also dramatically speed up the performance of your PC.
Tip: Although Disk Cleanup is a wonderful built-in tool, it will not completely clean up all of the temporary files on your computer. Other programs that you frequently use such Microsoft Office, Firefox, Chrome, Live Messenger, and hundreds of other programs are not cleaned up with Disk Cleanup (including some Symantec programs).
Because of the shortcomings of the Windows Disk Cleanup (cleanmgr) tool, we highly recommend using a specialized hard drive cleanup / privacy protection software such as (Developed by Microsoft Gold Partner) to clean up your entire computer. Running once per day (using automatic scanning) will ensure that your computer is always clean, running fast, and free of 8504, 104 errors related to temporary files.
How to run Disk Cleanup (cleanmgr) (Windows XP, Vista, 7, 8, and 10):
8504, 104 errors can be related to corrupt or outdated device drivers. Drivers can work one day, and suddenly stop working the next day, for a variety of reasons. The good news is that you can often update the device driver to fix the Error 8504, 104 problem.
Finding the exact driver for your Error 8504, 104-related hardware device can be extremely difficult, even directly on the Symantec or related manufacturer's website. Even if you are experienced at finding, downloading, and manually updating drivers, the process can still be very time consuming and extremely irritating. Installing the wrong driver, or simply an incompatible version of the right driver, can make your problems even worse.
DriverDoc updates all of your PC device drivers, not just those associated with your 8504, 104 error. DriverDoc's proprietary One-Click Update™ technology not only ensures that you have correct driver versions for your hardware, but it also creates a backup of your current drivers before making any changes. Maintaining a driver backup provides you with the security of knowing that you can rollback any driver to a previous version if necessary. With updated device drivers, you can finally unlock new hardware features and improve the speed and performance of your PC.
Please Note: Your Error 8504, 104 may not be related to hardware driver problems, but it's always a good idea to ensure all of your PC device drivers are up-to-date to maximize PC performance.
Windows System Restore allows you to "go back in time" with your PC to help fix your Error 8504, 104 problems. System Restore can return your PC's system files and programs back to a time when everything was working fine. This can potentially help you avoid hours of troubleshooting headaches associated with 8504, 104 errors.
Please Note: Using System Restore will not affect your documents, pictures, or other data.
To use System Restore (Windows XP, Vista, 7, 8, and 10):
If your 8504, 104 error is related to a specific program, reinstalling Norton 360-related software could be the answer.
Instructions for Windows 7 and Windows Vista:
Instructions for Windows XP:
Instructions for Windows 8:
After you have successfully uninstalled your Error 8504, 104-associated program (eg. Norton 360), reinstall the program according to the Symantec instructions.
Tip: If you are positive that your 8504, 104 error is related to a specific Symantec program, uninstalling and reinstalling your Error 8504, 104-related program will likely be the solution to your problem.
System File Checker is a handy tool included with Windows that allows you scan for and restore corruptions in Windows system files (including those related to Error 8504, 104).
To run System File Checker (Windows XP, Vista, 7, 8, and 10):
Microsoft is constantly updating and improving Windows system files that could be associated with Error 8504, 104. Sometimes resolving your Runtime Errors problems may be as simple as updating Windows with the latest Service Pack or other patch that Microsoft releases on an ongoing basis.
To check for Windows Updates (Windows XP, Vista, 7, 8, and 10):
Caution: We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve Error 8504, 104 problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately () to protect yourself from permanent data loss.
This step is your final option in trying to resolve your Error 8504, 104 issue. Reinstalling Windows will erase everything from your hard drive, allowing you to start again with a fresh system. Furthermore, a clean install of Windows will also quickly clean out any and all "junk" that has accumulated over the normal usage of your computer.
Please Note: If 8504, 104 errors still persist after a clean install of Windows, your Runtime Errors problem MUST be hardware related. If that is the case, then it is likely you will need to replace the associated hardware causing the 8504, 104 error.
Operating System Information
8504, 104 error messages can occur in any of the following Microsoft Windows operating systems:
- Windows 10
- Windows 8
- Windows 7
- Windows Vista
- Windows XP
- Windows ME
- Windows 2000
Are You Still Experiencing Error 8504, 104 Issues?
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About The Author: Jay Geater is the President and CEO of talonlibre Corporation, a global software company focused on providing innovative utility software. He is a lifelong computer geek and loves everything related to computers, software, and new technology.