What is the best free antivirus and antispyware appropriate for my PC?

AMD Athlon 64 3200 512 MB of RAM Nvidia Geforce 6100 / nForce 430 chipset Windows XP Professional SP2

I suggest Avast Home Edition (free) and A2Squared Free. Avast Home has antispyware and anti-rootkit and a Free A2Squared excellent anti-malware program. I highly suggest both of them and should keep your PC clean.

Avast Antivirus Tutorial

Freeware $11.18 This book is in New - Excellent condition

Eset EAVHN111RBX Eset Nod32 Antivirus Single V.4.0 Win 2000XpVista $54.37 Antivirus protection is spelled NOD32. Built on the awardwinning ThreatSense engine ESET NOD32 Antivirus software proactively detects and eliminates more viruses trojans worms adware spyware phishing rootkits and other Internet threats than any program available.No matter what your system there is no better antivirus protection. ESET NOD32 Antivirus was awarded the BEST Antivirus Solution in 2007 and 2008 by AVComparatives.. Format: WIN 2000 XP VISTA. Genre:nbsp;UTILITIES. Rating:nbsp;NR. Age:nbsp;833691004114. UPC:nbsp;833691004114. Manufacturer No:nbsp;EAVHN111RBX

Unix Shareware and Freeware $9.98 This book is in Used condition

Eset EAVHN131RBX Eset Nod32 Antivirus Three V.4.0 Win 2000XpVista $77.2 Antivirus protection is spelled NOD32. Built on the awardwinning ThreatSense engine ESET NOD32 Antivirussoftware proactively detects and eliminates more viruses trojans worms adware spyware phishing rootkits and other Internet threatsthan any program available.No matter what your system there is no better antivirus protection. ESET NOD32 Antivirus was awarded the BEST Antivirus Solution in 2007 and 2008 by AVComparatives.. Format: WIN 2000 XP VISTA. Genre:nbsp;UTILITIES. Rating:nbsp;NR. Age:nbsp;833691004121. UPC:nbsp;833691004121. Manufacturer No:nbsp;EAVHN131RBX

BitDefender Antivirus 2011 Pro $52.99 5 PC Processor: 800 MHz (Intel Core Duo - 1.66 GHz or equivalent Recommended) Operating System: Windows XP with Service Pack 3 (Service Pack 2 for x64) Windows Vista with Service Pack 1 Windows 7 Hard Disk: 1 GB Memory: 512 MB RAM for Windows XP 1 GB RAM for Windows Vista and Windows 7 1 GB RAM for Windows XP (Recommended) 1.5 GB RAM for Windows Vista (Recommended) Others: Internet Explorer 6 Internet Explorer 7 Recommended Yahoo Messenger 8.1 Microsoft Windows Live Messenger 8 Firefox 3.x Thunderbird 3.0.4 Outlook 2003, 2007, 2010 Outlook Express Microsoft Windows Mail Adobe Flash Player 10.0.45.2 .Net framework 2.0 Stop Attacks On Your Personal Data: Improved BitDefender detection features like Quick Scan shut down viruses, spyware, and other threats. Start shopping, banking, and downloading online with absolute confidence. Scan Faster: BitDefender's advanced scanning technology remembers and skips files already checked, to make full-system scans even faster and keep you running at the best performance possible. Stylize To Match Your Needs: Match the interface to your level of comfort by selecting between Basic, Intermediate, or Expert settings - and quickly create shortcuts to frequently used controls. Stop Viruses and Spyware Cold: Proactive protection stops new viruses and malware that other products miss. Safeguard Your Privacy: Eliminate the chances your data and conversations are leaked to others over email, social media networks, IM, or websites that track your online activities. Surf Safely: Automatically get warnings about unsafe pages displayed in search results. Play and Work Seamlessly: Automatically activate Game, Laptop, or Silent Mode to minimize interruptions, prolong battery life, or reduce system load to ensure seamless and secure computing. Smart Tips: When online explorations take you into dangerous terrain, BitDefender prompts you with a series of suggested privacy safeguards, relevant to your most recent activity. Video Library: A new collection of step-by-step videos helps you navigate through common security challenges. Find Support Fast: Troubleshoot issues with the new video library or call for free technical assistance for the duration of your software license. Search relevant results from the Knowledge Base, Help file, Troubleshooting and Video Tutorials. Fight back with the software used by millions. BitDefender starts working and keeps working - around-the-clock and around the globe, continuously protecting your privacy and defending your d

Symantec Norton AntiVirus 2011 $138.99 1 Year - Virus Definitions Update - Availability: 24 hours a day / (Monday-Sunday) 10 User 21069942 Processor: 300 MHz for Windows XP 1 GHz for Windows Vista / Windows 7 Operating System: Windows XP Home/Professional/Tablet PC/Media Center with Service Pack 2 or later (32-bit) Windows Vista Starter/Home Basic/Home Premium/Business/Ultimate (32/64-bit) Windows 7 Starter/Home Basic/Home Premium/Ultimate (32/64-bit) Hard Disk: 300 MB Memory: 256 MB RAM Optical Drive: CD-ROM or DVD-ROM (if not installing via electronic download) Protects your PC against the latest known viruses, spyware, and other threats: Norton Reputation Service instantly checks where files came from and how long they've been around to identify and stop new crimeware faster than other, less sophisticated security software. Norton Protection System uses several overlapping layers of protection that work together to stop viruses, spyware and other online attacks. Norton Pulse Updates provides up-to-the-minute updates that protect against the latest threats without slowing down your computer. SONAR 3 Behavioral Protection monitors your PC for suspicious behavior to quickly detect new online threats. Norton Bootable Recovery Tool creates an emergency CD/DVD/USB that gets you back up and running even if your PC has become so infected that it won't start up. Bot detection blocks the automated programs cybercriminals use to take control of your PC, access your private information, and use your computer to send out spam and launch attacks on other PCs. Worm protection safeguards your PC against fast-spreading Internet worms and prevents you from accidentally passing them on to others. Rootkit detection finds and removes deeply buried crimeware that can hide other types of threats and allow cybercriminals to take control of your PC. Stay protected without sacrificing performance: Proactive performance alerts tell you when an application is slowing down your PC, so you can make changes to improve performance. Norton Insight identifies and scans only files at risk for fewer, shorter scans and the fastest scan speeds in the industry. Norton System Insight shows you how files and applications affect your PC's performance to help you keep your PC performing at its best. Silent mode puts alerts and noncritical updates on hold when you're watching movies or playing games in full-screen on your PC. Smart scheduler runs scans and updates only when you're not using your PC. Email, chat and share files without worry: Norton Download Insight warns you if a downloaded file or application is dangerous before you install or run it on your PC. Norton File Insight gives you detailed information ab

Technorati Tags: best freeware antivirus, best freeware antivirus 2010, best freeware antivirus for mac, best freeware antivirus for xp, best freeware antivirus software, free, freeware, security, software, tools