Good free antivirus/pop up blocker?

for a simple refurb dell that possibly already has some type of virus or something

Good free antivirus/pop up blocker?microsoft office

Avg anti-virus and Crap Cleaner (ccleaner)

Good free antivirus/pop up blocker?norton antivirus

Clam (free / open source) is very good surprisingly (see VB100 Awards) and is used on an industrial level by many web hosts (were you buy a website) for internel protection and mail lists...

Home Use:

ClamWin Free Antivirus [Open Source - working freeware]

http://www.clamwin.com/

ClamWin is a Free Antivirus for Microsoft Windows 98/Me/2000/XP and 2003. ClamWin Free Antivirus comes with an easy installer (and open source code). You may download and use it absolutely free of charge. It features: High detection rates for viruses and spyware; Scanning Scheduler; Automatic downloads of regularly updated Virus Database. Standalone virus scanner and right-click menu integration to Microsoft Windows Explorer; Addin to Microsoft Outlook to remove virus-infected attachments automatically. The latest version of Clamwin Free Antivirus is 0.88.2.3 . Please note that ClamWin Free Antivirus does not include an on-access real-time scanner. You need to manually scan a file in order to detect a virus or spyware.

webmaster bluecollarpc.net
avg free is the best! http://free.grisoft.com/ totally free. i have been using this for like 5 months and have yet to get a virus or anything. i will not pay for anti virus ever again.