Norton 360 Installation Error

The Norton 360 Installation Error is among the most frequent errors faced by Norton users while the installation and setup process. The Norton 360 installation error is mostly faced by customers who are installing the Norton Software on their PC for the first time. Norton 360 Antivirus Malware Protection ensures a secure environment and multilayered protection for your entire network of devices and saves you from viruses, malware, and other attacks. Norton 360 Antivirus Malware Protection for computers is available in different variants depending upon the Operating System used, that is, Norton 360 Antivirus protection for Mac and Norton 360 Antivirus protection for Windows. It also comes for mobile devices based on Android and IOS platforms. If you are having the right product key and you are still facing an issue, like Norton 360 Installation Error, these simple steps will help you understand the problem and resolve it. So, here, we are talking about the Norton Error Code 8504 100 popups, i.e., Norton 360 installation error:

Reasons why you might face a Norton 360 installation error

  • Other Security products already installed: You might face Norton 360 installation error while installing Norton 360 on your device if you have another security product already running in the background.
  • Problems due to a faulty upgrade or installation: Norton 360 installation error shows up due to an incomplete upgrade/installation of security software.

In the first situation, we can resolve the Norton 360 installation error by uninstalling the offending product from your device and then installing Norton 360 all-around security.

Note: Uninstall any Norton product from your device before running the Norton Remove and Reinstall tool for fixing Norton 360 installation error

Follow the steps below to run the tool:

Start by downloading the Norton Remove and Reinstall tool followed by Saving the downloaded file to the desktop. Now, Click on the saved file and Double-click on the NRnR icon. A license agreement pops up. You will need to Agree to it to proceed.
Click on the Remove & Reinstall icon followed by clicking on the Remove button. After removing the Norton product already installed on your device, restart your device and reinstall the Norton program you wanted to use. After a proper installation or upgradation of Norton products, your Norton 360 installation error must have been resolved.
However, if you are still facing the Norton 360 installation error, please feel free to connect with the Norton 360 Technical experts to get a helping hand.

Norton Antivirus Removal from your Macbook:

Step 1: Click on the Finder icon in your Macbook
Step 2: Click on Applications under the Favorites section
Step 3: Find Norton 360 application and drag it to the Trash Icon
Step 4: Click on Continue to advance for the removal of the extension from the Macbook
Step 5: You need to confirm the credentials of the Administrator account and click Ok
Step 6: Click Uninstall in the upcoming window
Step 7: The Norton 360 application has been uninstalled successfully from your device. Reboot your device to enforce the changes.


Norton Support Customer Service Contact

Norton customer support contact number US is where you can call 24×7, or email at-

Don’t wanna wait in long queues? CALL Directly (Answered within 55 sec) USA: +1 877-787-9301

If you are facing any issues with threats or attacks, please feel free to reach us at Norton Antivirus Support Number, available 24*7.
Norton Antivirus Total Security has a very promising and efficient customer grievance
to resolve any Norton installation, activation, subscriptions, and other relevant issues.

* Average wait time mentioned above is just approximately and it may vary. We don’t guarantee that you would be connected within the given time, it may increase/decrease according to call flow. USA number mentioned above belongs to


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