Norton provides excellent security to your computer, but open the Norton antivirus settings and click on the 'General' tab if you want to cancel it. Now, look for the option, 'Norton Tasks,' available next to 'Norton Task Notification.' Please turn it off by clicking on the green-colored bar. Next, click on the side tab, 'Other settings', and then click on the green-colored bar to turn off 'Special offer notification.' Click on the 'Network' tab and then move to the 'Intrusion prevention.' After this, click 'Notification' to turn it off. Lastly, click 'Apply' to stop the pop-ups, close the software, and this is how to cancel Norton account.