Method to troubleshoot Norton Antivirus not opening problem:
Step 1: The first step will be to restart the computer system
• Firstly, exist with all the programs opened
• Then restart the computer
If the problem still persists, then users can opt for the next step.
Step 2: Download the Norton Internet Security
• The customers may have to first download the Norton Remove and Reinstall tool.
• Users can also save the file to the Windows desktop.
• Then open the Downloads window in browser and press the Ctrl + J key.
• After this make double-click the NRnR icon.
• And read the license agreement carefully and make a tick mark in the given box and then click "Agree".
• Now users may click Remove and Reinstall option.
• And after getting removed the antivirus then click Restart Now option.
• After the computer restarts, follow the instructions displayed on the screen to reinstall Norton.