For those who wish to revert to the older version prior to 24.xx there is a download link to get that installer. Use the removal tool for 24.xx from here: https://www.norton.com/nortonremover
Older version installer:
https://norton.com/cspn360
My posted suggestion to keep your install from updating back to 24.xx: NOTE - Do this at your own risk. I have this done on a test machine where it has been running for over 1 week. It works
To keep your virus definitions current use the Intelligent Updater:
SA