In some cases, Norton product may block a suspected activity on your computer that matches a security threat behavior. These activities may include download of a file, auto-sync of mobile device with your desktop computer, or Internet access to an application. You may also receive repeated notifications to restart your computer.
If you know that the activity or application that trigger these notifications are safe, you can temporarily turn off Norton for a specified duration.
Turning off Norton Protection leaves your computer vulnerable to attacks. If you want to turn it off for troubleshooting a problem, make sure that you turn it on again.
Turn Off Mac Display
You can use the Fix Now option in the main window turn on protection.
Video: How to turn off Norton temporarily and to turn off Norton notifications on Windows
Turn Off Mac Update Notification
Mac Turn Off Notifications
You may not immediately think 'gaming' when you think 'Mac,' but there are tons of games for the Mac these days, and some of the most popular PC games are also available for OS X. Press the power button to turn on your computer, and then press and hold the Shift key the instant you hear the welcome chime. Release Shift when the Apple logo appears. You will see a status bar as the computer boots, after which the words Safe Boot appear in red in the upper right corner of OS X’s login screen. In Safe mode, the Mac. Accidentally turned off Macbook Air during software update. Now it seems broken. My mac was updating and I turned it off during the update and now when I turn it on, it asks me for the password but then all this like code appears on the screen and then it just turns off.