Look you are better OFF without using Norton, this one single program, causes more problems, than any other single program. Please get some other, any other, Antivirus software, Norton, slows your system far too much, and causes many internet problems, too.
ftp://ftp.symantec.com/public/english_us_canada/removal_tools/Norton_Removal_Tool.exe
Please get the stand alone removal tool to complete;y, remove all traces of the "thing" Then please get yourself a good low resourced Antivirus. AVG, or if you really want to use a Norton product, there is ONE that actually works, and that is Symantec, (Norton by another name) Corporate, antivirus, this actually works,and works well. get yourself a copy of that and you will be pleased. Else, use this guide to assist you in making a decision to get another one.
http://anti-virus-software-review.toptenreviews.com/
.