That is not even a real Norton website. Check your internet settings. Go to the control panel. Click on “Internet Options” then click on “connections”. Click the LAN settings. Be sure “use proxy” is NOT check off. If it is then uncheck it. Do a full scan with Avast and turn on PUP. Did you try AdwcCleaner? Also which browser are you using? Sometimes you may need to reset your Host file. essexboy can help you or you can download a repair tool.

http://download.cnet.com/Anvi-Browser-Repair-Tool/3000-18512_4-75835298.html

Complete Internet Repair is another nifty little tool.

http://datumza.com/downloads/