

Maintaining an updated Norton Antivirus version is essential due to frequent malware database upgrades. The outdated Norton product version is another cause of Norton Antivirus not opening. Finally, you must re-download the product using Download Manager and enter the product key. The product code needs to be checked after that by consulting the purchase email. In such circumstances, you ought to restart your computer before using Download Manager. Read Fix trouble opening Norton Secure VPN if you have this issue with Norton Secure VPN on Windows. Download and launch the Norton Remove and Reinstall utility if you’re still having trouble opening it.

Restart your computer and try to launch the Norton device security program to resolve the issue.
