On this page of the Windows® Internet Explorer® Customization Wizard 9, you can customize Setup for the Microsoft® Windows Malicious Software Removal Tool, the default browser, and the latest browser updates, based on your corporate guidelines.
Install the latest updates for Internet Explorer, and download and run the Microsoft Windows Malicious Software Removal Tool. (recommended)
You can specify whether to download Internet Explorer 9 updates, and whether to download and run the Microsoft Windows Malicious Software Removal Tool as part of the installation. The Microsoft Windows Malicious Software Removal Tool checks computers running Windows 7, Windows Vista, Windows XP, Windows Server 2003, or Windows 2000 for infections by specific, prevalent malicious software, and helps to remove any infection found. For more about this tool, see http://go.microsoft.com/fwlink/?linkid=68742.
Select this check box to install the latest updates for Internet Explorer (including security updates), and to install and run the Malicious Software Removal Tool on your users' computers.
Allow user to choose
Select this option to enable your users to pick a default browser.
Do not set Internet Explorer as the default browser
Select this option to not set Internet Explorer as the default browser Users can still set Internet Explorer as their default browser.
For more information about this stage of the Internet Explorer Customization Wizard 9, see Specifying Setup Parameters.