Before I upgraded to Comodo and Avira, I had Norton Internet Security and Norton System Works Premier. I found Norton difficult to uninstall totally. Here are links I found to help with the process:
http://www.techsupportforum.com/security-center/virus-trojan-spyware-help/hijackthis-log-help-inactive/17911-cant-delete-recycler-nprotect-after-uninstalling-nav.html
http://www.gearsoftware.com/wiki/index.php?title=DRIVERS:_Windows_-_Updating,_removing,_64_bit_versions,_etc
The GEAR ASPI driver could potentially interfere with CD/DVD burning or ripping with other drivers. I used the manual method of removal, but I now see that there is an executable for this at:
http://www.gearsoftware.com/downloads.php?dir=updates/windows/drivers/
Hope this saves time and frustration for others.