Free antivirus software package software for windows

Twister AntiVirus Update Package 7.31 offers users a professional bundle which can update the Filseclab Twister AntiVirus(Twister Anti-TrojanVirus) from old version to the v7.31(1/1/2008), and it can also update the virus definition to 1/1/2008. Download this package is recommended when the live update dose not work.

Major Features:

1. It can update following versions of Twister Anti-TrojanVirus:
   • Twister Anti-TrojanVirus 5.5,
   • Twister Anti-TrojanVirus 2005,
   • Twister Anti-TrojanVirus v7.

Enhancements: Version 7.31 adds the Online Scan feature and now can detect more types of unknown viruses and Trojans.

AVIRA Antivirus Desktop Update Package v 1.1.0 includes periodically generated update files for AVIRA Desktop for Windows, helping you to stay protected even when you do not access the Internet on a daily basis.
This is an easy-to-use update package, which wraps up the update files for the scan engine and the virus definitions file. Their installation will be automatic, by means of a Windows Installer; a repair/remove option is available, in case the installation process does not run properly on your computer.
Main Benefits:
- antivirus protection for users that do not access the Internet on a daily basis;
- all-in-one package, updating the virus definitions file and the scan engine module;
- automatic installation by means of an Installation Wizard;
- repair and remove options to restore the previous files or to uninstall the package in case the update process happens to fail.
Note: The software can be installed only in conjunction with AVIRA Desktop for Windows v 1.0.0 in the evaluation or commercial version.
SYSTEM REQUIREMENTS:
- AVIRA Desktop for Windows with a valid license or evaluation key
- Windows Installer 2.0*
- RAR unpacker, in case you want to perform the installation manually
*Windows Installer comes with Windows 2000 with Service Pack 3, Windows 2003 and Windows XP.
If you are a Windows 98 and Me user, please download Windows Installer 2.0 from the Microsoft website:
http://www.microsoft.com/downloads/release.asp?ReleaseID=32831
Windows NT 4 with Service Pack 6 and Windows 2000 users need to download Windows Installer 2.0 from the Microsoft website:
http://www.microsoft.com/downloads/details.aspx?FamilyID=4b6140f9-2d36-4977-8fa1-6f8a0f5dca8f&DisplayLang=en

AVIRA Antivirus Desktop Update Package v 1.0.2 includes periodically generated update files for AVIRA Desktop for Windows, helping you to stay protected even when you do not access the Internet on a daily basis.
This is an easy-to-use update package, which wraps up the update files for the scan engine and the virus definitions file. Their installation will be automatic, by means of a Windows Installer; a repair/remove option is available, in case the installation process does not run properly on your computer.
Main Benefits:
- antivirus protection for users that do not access the Internet on a daily basis;
- all-in-one package, updating the virus definitions file and the scan engine module;
- automatic installation by means of an Installation Wizard;
- repair and remove options to restore the previous files or to uninstall the package in case the update process happens to fail.
Note: The software can be installed only in conjunction with AVIRA Desktop for Windows v 1.0.0 in the evaluation or commercial version.
SYSTEM REQUIREMENTS:
- AVIRA Desktop for Windows with a valid license or evaluation key
- Windows Installer 2.0*
- RAR unpacker, in case you want to perform the installation manually
*Windows Installer comes with Windows 2000 with Service Pack 3, Windows 2003 and Windows XP.
If you are a Windows 98 and Me user, please download Windows Installer 2.0 from the Microsoft website:
http://www.microsoft.com/downloads/release.asp?ReleaseID=32831
Windows NT 4 with Service Pack 6 and Windows 2000 users need to download Windows Installer 2.0 from the Microsoft website:
http://www.microsoft.com/downloads/details.aspx?FamilyID=4b6140f9-2d36-4977-8fa1-6f8a0f5dca8f&DisplayLang=en