Most Popular in Security from Download.com Copyright 1997-2005 CNET Networks, Inc. http://www.download.com/ en-us 24 http://www.download.com/AVG-Anti-Virus-Free-Edition/3000-2239_4-10834624.html?tag=pop.feed&subj=AVG-Anti-Virus-Free-Edition&part=rss Protect your computer from viruses and malicious programs. (3,401,890 downloads) 1 112 77905019 http://www.download.com/Ad-Aware-2007/3000-8022_4-10837062.html?tag=pop.feed&subj=Ad-Aware-2007&part=rss Scan your system for ad-supported software components and remove them. (1,038,024 downloads) 2 112 291072439 http://www.download.com/Avast-Home-Edition/3000-2239_4-10825540.html?tag=pop.feed&subj=Avast-Home-Edition&part=rss Scan your computer for viruses, worms, and Trojan horses. (469,893 downloads) 3 112 22209627 http://www.download.com/Avira-AntiVir-Personal-Free-Antivirus/3000-2239_4-10831109.html?tag=pop.feed&subj=Avira-AntiVir-Personal-Free-Antivirus&part=rss Detect and remove more than viruses from your computer. (413,686 downloads) 4 112 7547756 http://www.download.com/Spybot-Search-Destroy/3000-8022_4-10804822.html?tag=pop.feed&subj=Spybot-Search-Destroy&part=rss Search your hard disk and Registry for threats to your security and privacy. (225,881 downloads) 5 112 98773825 http://www.download.com/SpywareBlaster/3000-8022_4-10814511.html?tag=pop.feed&subj=SpywareBlaster&part=rss Prevent spyware from being installed on your computer. (69,356 downloads) 6 112 14859401 http://www.download.com/RoboForm/3000-2092_4-10664632.html?tag=pop.feed&subj=RoboForm&part=rss Reduce your many passwords to just one; enjoy easy, one-click logins and form filling. (55,977 downloads) 7 112 10879097 http://www.download.com/CCleaner/3000-2144_4-10837066.html?tag=pop.feed&subj=CCleaner&part=rss Clean up junk files and invalid Registry entries. (46,172 downloads) 8 65 4519387 http://www.download.com/Trend-Micro-HijackThis/3000-8022_4-10781312.html?tag=pop.feed&subj=Trend-Micro-HijackThis&part=rss Scan the Registry and hard drive for spyware. (37,722 downloads) 10 112 6250597 http://www.download.com/AVG-Anti-Virus/3000-2239_4-10824764.html?tag=pop.feed&subj=AVG-Anti-Virus&part=rss Protect your computer from viruses and malicious programs. (37,002 downloads) 11 112 2629615