Built on the award-winning ThreatSense® engine, ESET NOD32 Antivirus proactively detects and disables more viruses, trojans, worms, adware, spyware, phishing, rootkits and other Internet threats than any program available.

ESET NOD32 Antivirus provides:
* Proactive Protection: The award winning ThreatSense technology combines multiple layers of detection protecting you from Internet threats before it is too late.
* Precise Detection: ESET accurately identifies known and unknown threats. It consistently wins top awards from testing labs and is recognized for having zero false positive.1
* Lightweight Design: Requires less memory and CPU power, allowing your computer to run fast, making more room for games, web browsing, and emailing.
* Fast Scanning Speeds: Highly efficient program ensuring fast file scanning and product updates. It runs quietly in the background.

Proactive, precise, lightweight and fast. You won’t find a better antivirus program.

Developer: ESET, spol. s.r.o.
License: Shareware
OS: Windows All
Size: 17.0 MB
Download NOD32 Antivirus 3.0.669 (32-bit) link
Download NOD32 Antivirus 3.0.669 (64-bit) link

ClamWin is a Free Antivirus program for Microsoft Windows 98/Me/2000/XP/2003 and Vista. 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.

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.

Developer: ClamWin
License: Freeware
OS: Windows All
Size: 20.9 MB
Download ClamWin Free Antivirus 0.93.1 link

F-PROT Antivirus is a powerful new antivirus program. It custom features: Easy to use, Fast, Light on computer resources, Install and forget, License for up to 5 computers in the home. While adding significant new features, F-PROT Antivirus builds on the product’s history of reliability, ease-of-use and speed to provide a powerful yet affordable antivirus solution.

New Features in F-PROT Antivirus:
* Advanced heuristics-based detection defends against new and unknown threats
* Completely automatic file system protection that scans and disinfects all file types, including those downloaded by web browsers and e-mail applications
* Fully automated and streamlined virus signature file updates and software upgrades
* E-mail protection that provides automatic real-time protection against threats from incoming and outgoing e-mail attachments.
* More advanced detection of malicious programs
* Suspicious/infected files are automatically backed up into a safe quarantine area before they are disinfected or deleted
* Exclude files from automatic and manual scan
* Schedule tasks to scan for viruses at a specified time and date
* Quarantine for the isolation of infected or suspicious files
* Password protection to prevent unauthorized modification of your settings
* Protection against malicious ActiveX code downloads (such as Microsoft ActiveX Controls or installs)

Developer: Frisk Software International
License: Shareware
OS: Windows All
Size: 19.1 MB
Download F-Prot Antivirus 6.0.9.1 link

The Cleaner 5 is a program designed to keep your computer and data safe from trojans, worms, rootkits, keyloggers, spyware, adware and all manner of malware.

The Cleaner 5 is available in a free for personal use version or to purchase for only $19.95 + a $4.95 monthly subscription.

Works with Windows Windows 2K SP4+/Windows XP SP2+/Windows Vista

100% Adware/Spyware/Virus Free

Developer: Moosoft Development Inc.
License: Shareware
OS: Windows All
Size: 6.4 MB
Download The Cleaner 5.0.0.153 link