No one can deny from the fact that now-a-days online world is prone to harmful viruses and scams. The recent Ransomeware virus is the perfect example of it. From shopping your daily needs, booking your travel to managing your bank accounts, everything can be done online. The wide use of the internet clearly demands a high level of security that can protect your confidential information along with offering you top level protection against harmful viruses and online threats. To protect your online world, Norton has come up with the wide range of antivirus software for home and businesses. Norton antivirus is counted amongst most reliable security software for dealing with all the online threats that may harm your device within seconds. These software are compatible with Windows OS, Mac OS as well as mobile phones. 


All you need to do is select the right antivirus software and then download, install and activate it. Selection of antivirus depends upon several factors, including your system/device specifications and number of PCs you want to get covered under security protection. The best part of Norton antivirus software is you can easily perform the basic operations like download, installation, etc. simply by following the instructions provided with the software. While doing this, it may happen that an error occurs and halts the entire operation. The most common errors that most of the users encounters are Norton error 8504 and 104 in Windows 7, Windows 8, Windows 10, Windows Vista, Windows ME, Windows XP and Windows 2000. 


Diagnose


While downloading the Norton antivirus by visiting Norton.com/setup, if your system frequently crashes resulting into the halt of download and installation process then it’s Norton error 8504 and 104.

Causes

The main reason of this error is when you download a corrupt file to download the antivirus. It may also occur due to corruption in Windows registry or when the system configuration is different from those required to install that particular Norton setup version. A virus already existing on your device that has corrupted the Norton antivirus file before you begin the installation process. This error can be occurred when there is already a security software or anti-malware program installed on your device. 

Troubleshooting

Troubleshooting of an error requires a professional’s guidance. We are here providing few methods with the help of which you can solve your Norton.com/setup issue in a jiffy. 


  • Download the Norton removal tool to uninstall the already existing Norton security software
  • Save the file by choosing the location
  • Run the Norton removal tool by double clicking over the icon
  • Follow the further instructions
  • Reboot your PC to apply changes
  • Now, download the new Norton antivirus you want

In case, if the pre-installed software is not of Norton then follow the below mentioned steps to remove it from your PC:

  • Open Run (Windows + R), type appwiz.cpl and hit enter
  • Check out the installed products on your device
  • Click uninstall/remove the program
  • Follow the displayed steps
  • Restart your device and try again to install the antivirus from Norton.com/setup

If the problem still persists, you can contact a reliable technical support service provider and get your problem resolved by a certified technician.


Source: http://lenapcexpert.blogspot.in/2017/06/diagnose-and-troubleshoot-norton-error.html 

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