Norton Anti-virus

[rocketdogg]

Astro is absolutely right. Several newer viruses (Agobot in particular) alter your hosts file to block antivirus sites, preventing you from free scans, updating virus definitions, or even just finding info. I just had this problem last week. Once clean, your host file may still be blocking you from those sites

You can try checking. %systemroot%\system32\drivers\etc\hosts in Notepad. (no extension)

Here is an example of an infected host file:
[quote]# Copyright