Explicted information detected. AM A BIT SCARED?

My anti virus software is Norton. It ran its reg scan, which was ok. To be curious I went into the main website just now and i got i think, a "pop up" from "Clean Drive" stating that there are 657 explicted "things" on my hard drive %26 recommended i clean it. where did they come from. i am the only user?????

Explicted information detected. AM A BIT SCARED?free anti virus

If the pop up appeared while you were on the internet, check that your browser has disabled pop ups. Go to Tools - internet options (if you're using Internet Explorer 7).

If the pop up appeared while you were disconnected from the internet then you have spyware on your pc. Just install and run at least one anti spyware. An anti virus won't detect or remove it. Viruses and spyware are different programs.

Theres a list on my blog that you can download free from the net.

The pop up is designed to scare you! Just ignore it.

Never click on one as they install spyware on your pc.

And never click on a link in a pop up either.

You need to install one firewall.

The Windows firewall doesn't stop malware on your pc from dialling out.

http://www.zonelabs.com Zone Alarm firewall

You need all three anti spyware programs;

http://www.ewido.net - AVG(Ewido) anti trojan.