Three 'anti-virus' drugs for free

Not always "any of his money" is true! This series of free software and utilities introduces you to good products.

Three AntiVir PersonalEdition Classic, avast! 4 Home Edition software, AVG Free Edition are completely free, is the solution when your copyrighted antivirus software has expired.

General features

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These three software scan the entire system for viruses, as well as files.All three support from Windows 98, Me, 2000 and XP.Their new versions all have Microsoft security passports, which are recognized by XP SP2's firewall.

They automatically update the virus data, so users do not have to worry that there will be new viruses being conceded.They can scan all file formats or selected subdirectories.If the infected file is detected, users can choose to repair, delete or "isolate" this object as other antivirus software does.

According to security experts, good antivirus software must fight spyware (spyware).These three software are capable of detecting and destroying many Troi (Trojan) horses, a virus that silently enters and stays in your computer.

AntiVir Personal Edition Classic

While it is not possible to scan special email-attached formats, this software prevents quite well spies that want to penetrate.After the scan is complete, the report is quite detailed about the detected virus background, convenient for users to search for more effective removal tools.

The interface of AntiVir is simple.Once activated, the program performs a quick scan of the system.It has the ability to detect certain types of Trojan horses, but cannot delete them.

The weakness of this program is the ability to protect email.Unlike two avast!and AVG, AntiVir does not scan special attachments in email.

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Strength: Strong in preventing the installation of spyware.

Weaknesses: There is no specific scanning feature for email messages.On-demand scanning does not have isolation features, can only be killed and repaired.

Download at http://www.free-av.com/

avast!4 Home Edition:

avast! 4 Home Edition

The software interface is friendly, similar to the interface of a multimedia application.Users can select folders, set some requests and scan, this software provides effective computer protection solution, with many features.Although there is no recurring scan function, real-time scanning keeps track of email attachments and IM messages.

When the software detects strange applications that run permanently in memory, it will ask you to restart the computer and scan the system before loading Windows.This feature is only available on machines running Windows NT / 2000 / XP.

When detecting a virus, if you want to quarantine, you will choose the Virus Chest.Virus Recovery Database helps recover files infected with viruses.In addition to scanning files with e-mail, avast also blocks incoming or outgoing files if there are abnormal expressions.For example, if multiple messages are found at the same address or there are too many recipients for an e-mail address, it can scan at POP3 email accounts or through file exchanges on peer-to-peer networks. .

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Strengths: Scan boot files before running Windows.Scan e-mails, prevent deep forms, can notify by e-mail when detecting viruses.Features Virus Recovery Database to help repair infected files.

Weakness: There is no periodic virus scan function.

Download at www.avast.com /eng/avast_4_home.html

AVG Free Edition

A nice finding of this program is that when a Trojan horse comes up, AVG software automatically prompts you to initialize the backup disk.The first time you run the program, it checks and updates automatically, and creates a backup disk.

AVG's interface is easy to use, allowing users to set requirements for scanning and removal features.Although the ability to detect spyware is quite good, but the ability to kill is quite weak.AVG integrates with e-mail software like Outlook, Eudora.

AVG Free Edition:

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Strengths: Integration with Outlook, Eudora.Ability to kill and delete all forms of email attachments.

Weakness: Somewhat weak in spying prevention.Limited to daily data updates.

Download at www.grisoft.com/

Duet (According to Computer Magazine)