However, we completed these steps and then checked for its support files on Mac’s hard drive and found many leftover files on the system that means that after the steps above you need to manually find and remove Norton Security’s support files to completely get rid of the app from your Mac. Norton AntiVirus Plus has everything Norton AntiVirus Basic did, plus Smart Firewall for PC or Firewall for Mac, PC Cloud Backup ‡‡,4 and Password Manager. Learn more about Norton AntiVirus Plus. What happened to Norton Security? Norton Security Standard, Norton Security Deluxe and Norton Security Premium are no longer available as a free. If you see the My Norton window, next to Device Security, click Open. In the main window, double-click Security, and then click LiveUpdate. When Norton LiveUpdate is finished, click OK.
If you cannot update the virus definitions for Norton using LiveUpdate, manually download and install the virus definitions using Intelligent Updater.
Norton For Mac Download
Norton Mac Manual Update
Update virus definitions using Intelligent Updater
Go to the Intelligent Updater downloads page.
The Intelligent Updater download page is currently hosted by Symantec Enterprise Security, which is now a division part of Broadcom Inc.
To choose the correct definition set, you need to know the name and version of your Norton product and the version of Windows.
Depending on your version of Windows and Norton product, download the appropriate definition set.
Norton product version
Windows 32-bit platform
Windows 64-bit platform
22.9 and later
e.g. 20170126-020-core3sdsg2v5i32.exe
e.g. 20170126-020-core3sdsg2v5i64.exe
22.7 and 22.8
e.g. 20170126-020-core3sdsv5i32.exe
e.g. 20170126-020-core3sdsv5i64.exe
22.6 and earlier
e.g. 20170126-020-v5i32.exe
e.g. 20170126-020-v5i64.exe
Save the file to the Windows desktop.
On the desktop, double-click the file that you downloaded.
In the Intelligent Updater window, click Yes to continue.
When Intelligent Updater finishes updating the definitions, click OK.