Kaspersky

This new improved & easy to use fully Automated Real-time protection provides complete protection to your PC from all viruses,malicious code, spyware, hacker 
attack, dialers, spam, network fraud, email worm and Trojans.Combines protection with anti-spam filter and two way personal fire wall. It has all features and technologies you need for a safe and secure Internet experience. Stops your PC
being slowed down by cybercriminals and delivers unsurpassed on-line safety whilst  protecting your files, music and photos from hackers. Read More  

Bitdefender

This offers Consumers maximum protection, Speed and Usability.Combines antivirus, 
antispyware, antipishing, antispam, firewall. Special operating for Game mode reduces system load and laptop mode prolongs battery life. Protects and control your PC with IM Encryption, file Vault and file Sharedder with Parental control, home network nad data backup. Read More   
                   
 

Eset Nod32

Using advanced ThreatSense® technology, ESET NOD32 Antivirus proactively 
protects you from new attacks, even during the critical first hours when 
other vendors' products aren't aware the attack even exists. ESET NOD32 
Antivirus detects and disables both known and unknown viruses, trojans, 
worms, adware, spyware, rootkits and other Internet threats.

ESET NOD32 Antivirus is also one of the fastest antivirus solutions, so fast you won't even notice it running. And it's both incredibly easy to use yet simple to tailor for your specific needs.

Stronger and more effective proactive antivirus and antispyware protection with a powerful yet easy–to-use two-way personal firewall and robust antispam technology. Read More 
                    
                                                       
                                                           Norton

Norton Antivirus is one of the most popular and well known antivirus application.  
The latest version has the ability to map your wireless home network and safeguards 
your wifi networks. Recently Norton has introduced a special version for gaming PCs
known as Norton 2009 Gaming Edition. Read More 

                                                          FSecure

F-Secure Antivirus is quite easy to useand comes with pre-defined options for known   threats. F-Secure heuristic scanner is considered as one of fastest. It provides new   definition update on every two hours to provide you best possible security from most latest threats. It supports emails scanning for both Outlook and Thunderbird.
Read More