Here is some steps to try and remove the virus.
(1) Boot your PC up into "safe mode with networking"
(2) Go to
www.download.cnet.com
(3) Do a search for the following programs and download them I usually save them to a folder on the C drive: CleanUp, Malwarebytes, Spybot - Search & Destroy.
(4) Install and run CleanUp. This will remove most if not all of your temp files on the PC. This will ask you to log off once its done. Log off then back on.
(5) Install and run Malwarebytes. Make sure to do the update on it. This program will take anywhere from an hour to two hours to run depending on the size of your hard drive. Remove the selected infections.
(6) Install and run Spybot - Seach & Destroy. This you will also want to make sure it is updated and it will take about an hour and half to run.
(7) Now you will try to update your Norton and run a scan.
You should now be clean of virus's and malware. If your still having problems you can also download SuperAntiSpyware and Avast Anti-Virus from the website above. The Avast Anti Virus doesnt play to well with Norton so you will more then likely need to remove Norton. Avast Anti Virus is free for 30 days and registering it for one year is free also. There is also a paid version, but if you have Norton and like it you can just uninstall Avast after your system is clean and re-install Norton.
Best of Luck