Most importantly close all running applications while you are going to start uninstalling the antivirus.
Now, In the lower-right corner of your computer, right-click the product icon and select Exit on the shortcut menu.
Suppose, if the application icon is hidden from the notification area
Then click the Show hidden icons arrow.
Sometimes if the application settings are password-protected,
You will have to enter the password,
After that select the ‘Do not prompt for confirmation during the next 30 minutes’ box and click Continue.