How to Fix Norton Not Opening Problem in Windows 10


It is essential to have a good antivirus on your system installed to secure your important files, documents, id’s, and important login details from hackers, malware, and Spywares. Norton is among those antivirus programs that safeguard your pc from all these security threats and make your computer and online browsing data safe and secure.

Norton is trusted by millions of users across the globe and is ranked #1 when it comes to providing complete security for your systems. The reason behind Norton’s global popularity is its functionality and feature-rich software, which is trusted by millions of users, including multinational and IT companies. Another reason is its feature-rich lightweight software, which doesn’t slow down your PC while protecting yours from any threats and vulnerabilities.

If you’ve recently downloaded the Norton antivirus software on your Windows 10 and you are not able to install it, or your Norton antivirus suddenly stopped opening on Windows 10 computer, then kindly follow the guide below to learn how to fix Norton not opening problem in Windows 10.

Restart your Computer

Rebooting the system again is the first thing you should do when you see Norton Antivirus is not opening on your Windows 10 system. Restart your computer or unplug it from the power cable and wait for two-three minutes before starting it and then check if the problem still persists. If you are having the same problem, then kindly follow the next method shown below.

Turn off Windows Defender on Windows 10

Windows Defender is a built-in Microsoft security program that does the same job as any other Antivirus. Still, if you’ve already installed an antivirus on your system, then the Windows Defender program can clash with it and can cause problems. Below are the steps to turn off or disable it.

Step 1– Press Windows Key + q from your Keyboard.

Step 2– Inside the search box type control panel.

Step 3– Click on Control Panel App.

Step 4– Select System and Security.

Step 5– Click Windows Defender Firewall.

Step 6– Click Turn Windows Defender Firewall on or off.

Step 7– Select Turn off Windows Defender Firewall (not recommended) from both private and public network settings.

Step 8– Click on OK to save the settings.

If you are having the same problem, then kindly follow the next method shown below.

Update your Computer

Your next step should be updating your Windows 10 operating system in order to fix the Norton not opening issue. Windows updates contain new features and essential changes that can improve the security and performance of your computer while ensuring your software runs efficiently and any glitch-free. To update your Windows 10, follow the steps below.

Step 1– Click on Windows Logo on the bottom left of your computer screen

Step 2– Click on Settings option

Step 3– Inside settings, you’ll find the Update & Security option. It would be best if you opened it.

Step 4– Check for updates and let the computer find recent updates.

Step 5– After the scan is completed, you’ll see an option that says Updates Available.

Step 6– Next, click on download to download the update, and once it is done, then click on install.

Note: If your Windows 10 is updated, it’ll your device is Up to date.

Restart your computer to install all the updates successfully and check if you can open the Norton Antivirus program. If not, then, as usual, continue to follow the steps shown below.

Remove and Re-install Norton Antivirus Program

For this process, make sure you have got the login details or activation key to your Norton antivirus. If you do not have any details, then you can contact Norton support to get the details; otherwise, we do not recommend this method because it requires reinstalling the software in your program, and it’ll ask for login details or activation key while installing.

Step 1– Download Norton Software Removal Tool.

Step 2– Open and Run the Norton Software Removal Tool on your system.

Step 3– To remove the software from your system, Click on Remove & Reinstall option.

Step 4– Click on Continue or Remove to remove the program from your computer altogether.

Step 5– Click on Restart.

Once you are finished removing the program, you need to restart the computer. After you reboot, you’ll see a screen with instructions to reinstall the Norton Antivirus on your computer or laptop.


We hope that you were able to fix the problem and successfully open the Norton Antivirus software on your computer by following our methods. If you are still not able to fix the problem, then kindly leave a message below on the comment box about the issue, and one of our team members will surely guide you on how to fix the problem by knowing the root cause of it.