It may be an application that was installed and expired.
Different ways to stop it.
1. msconfig-startup-uncheck it.
2. Remove it through control panel.
3. Run a virus scan
Tech from
http://www.computerstar.ca/
Download malwarebytes from guest account and then login to your account and
run malwarebytes. Then run norton scan. Good luck
Tech from
http://www.computerstar.ca/
Search live update not working in google and run the online fix. It fixes the problem. I have done it several times.
Tech from
http://www.computerstar.ca/