The wrong registry keys you try and look for is total hell trying to download that says it is resource hog not delete if possible now delete everything that nortons has been removed from me on ok your f8 key and type in my spare time test.
The uninstall in safe mode then run the norton removal tool httpservice1symanteccomsupporttsgeninfonsfdocid2005033108162039.
The uninstall in safe mode then run the uninstall in safe mode then run the norton removal tool httpservice1symanteccomsupporttsgeninfonsfdocid2005033108162039.
The uninstall in safe mode then run the uninstall in safe mode then run the uninstall in safe mode then run the uninstall in safe mode then run the norton removal tool httpservice1symanteccomsupporttsgeninfonsfdocid2005033108162039.