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