Antivirus software are computer programs that attempt to identify, neutralize or eliminate malicious software which might be located in your computer. Now a days leaving a Pc without any AntiVirus software on it can turn be very harmful. I have come up with a list of Top 10 AntiVirus Software which you can use to keep your Pc Safe.

1. KasperSky

Kaspersky is my personal favorite. Kaspersky Antivirus is a top of the line program that offers all the protection you will need. With low scan times and high detection rates, as well as an interface that can’t be beaten. It’s

Ease of Use
Effective
Auto Updates
Ease of Installation
Help/Support

The current line of Kaspersky products consists of Kaspersky Internet Security (KIS) 2009, Kaspersky Anti-Virus (KAV) 2009, and Kaspersky Mobile Security (KMS).

2. AVG AntiVirus

AVG Free offers very good and free protection against viruses and spyware. As a bonus, its real-time LinkScanner technology keeps you from clicking search links to dangerous sites. It’s an excellent choice if you need free protection against both viruses and spyware.

Key Features include

• A 2 year license, so you can receive free updates and full product support for a whole 2 years. It includes free 24 hour a day e-mail access to Grisoft’s professional team of technical experts.
• Free program and virus updates are provided via ultra reliable Akamai servers. AVG Professional Edition updates itself automatically whenever updates are available. Alternatively you can update manually, or configure AVG Professional to download updates at a scheduled time that suits you.
• Multiple language support in one package. No need to buy a special language version as all languages are included in the one product. A simple click of the mouse and the entire interface (including help files) will instantly change to your required language.
• AVG holds the VB100% award and is ICSA certified, so you can be assured of the highest level of antivirus protection.
• AVG Professional Edition has many more features that make it the best value antivirus protection available.
• The powerful AVG Resident Shield provides maximum protection by scanning every file opened, executed, or saved. It will also prevent the opening or executing of infected files.
• The AVG Personal E-mail Scanner checks every e-mail sent or received, providing much needed protection from e-mail borne threats. AVG supports all leading e-mail clients including MS Outlook, The bat!, Eudora and all other SMTP/POP3 based email clients such as Outlook Express. Encrypted connections using SSL are also supported.
• AVG Professional can scan attachments of instant message services (like ICQ, MSN Messenger) for viruses and other threats.
• AVG provides support for the detection of “potentially unwanted programs”.
• AVG’s scanning engine uses a unique combination of heuristic analysis and generic detection methods to detect all known viruses.
• The AVG Resident Shield can include/exclude files from scanning based on individual file extensions.
• Automatically attempts to heal/remove infected files and other threats such as trojans, worms, and java applets. Removed files are quarantined in the AVG Virus Vault.
• AVG Professional has flexible password protection so you can select which settings you wish to protect from other users.
• AVG Professional now supports Microsoft Windows 64 bit platforms.

3. Norton AntiVirus

One of my another favorites. Norton Antivirus 2008 is a full featured antivirus and antispyware product. It includes several options that are commonly passed over by other suites while leaving many out that would be beneficial.
Key Features include

• Detects and removes viruses and spyware
• Blocks spyware automatically
• Prevents virus-infected emails from spreading
• Automatically detect and block viruses, spyware, and worms
• Rootkit Protection finds and removes hidden threats in the operating system
• Internet Worm Protection blocks viruses, spyware and worms without specific signatures
• Email and instant-message scanning detects, removes or blocks infected attachments
• Full System Scan performs a deep scan to remove existing viruses, spyware and other threats
• Norton™ Protection Center provides a central place to easily check overall security settings
• Includes protection updates and new product features as available throughout the renewable service period

4. BitDefender

Bitdefender security suite is the best virus/firewall software that one can use. it combines state of the art protection against viruses, spyware, hackers, spam and other Internet security threats. Moreover, its system maintenance and PC backup tools keep your PC running fast and protected from data loss. It has the following features

ANTIVIRUS & ANTISPYWARE

• Protects your PC in real time from known viruses, spyware and other malware with hourly updates
• Blocks unknown viruses using advanced proactive detection techniques
• Monitors and prevents spyware threats in real-time
• Detects and removes the newest breed of hidden threats known as rootkits
• Provides a smooth gaming experience by reducing the system load to a minimum

ANTI-PHISHING

• Protects against phishing attacks by filtering all accessed web pages for fraud attempts
• Reduces the risk of identity theft by preventing personal information leaks via e-mail or web.

FIREWALL

• Controls applications’ access to the Internet while “hiding” your computer from hackers
  Helps prevent unauthorized access to your Wi-Fi network by notifying you when computers log in to the network.

ANTISPAM

• Prevents different types of spam and scam e-mails from reaching your Inbox
• Now responds faster to new spamming techniques with new adaptive engines

PARENTAL CONTROL

• Blocks access to inappropriate websites and e-mail
• Allows or blocks web access during specified time periods

BACKUP

• Safeguards your data by creating backup copies to local and removable drives, CD-R/RW or DVD-R/RW
• Automatically backs up only new files, based on a pre-set schedule.

TUNE-UP

• Improves your PC performance by removing unnecessary files and registry entries
• Completely erases files and “traces” of files from disk to prevent recovery

5. McAfee VirusScan

McAfee is an industry leader in computer protection and VirusScan is their #1 defense against viruses. This software comes with a ScriptStopper, to prevent virus to propagate from one computer to another via email, and WormStopper. VirusScan boasts one of the best virus detection records. The software received the VB100% award for 2007, the ICSA award for 2007 and passed both level 1& 2 Checkmarks from West Coast Labs. It is extremely easy to use.

Key features include

• Cover all the bases
• Defend against threats that target Microsoft
• Curb outbreak damage
• Scans memory for malicious code
• Protect email programs
• Keep script-type threats at bay
• Optimize updating for remote systems
• Lock down files
• Advanced rootkit detection