This update includes minor changes to how Internet Explorer handles some web pages that use Microsoft ActiveX controls. Certain webpages will require users to manually activate Active X controls by clicking on it or using the TAB key and ENTER key. This update contains all previously released security updates. After you install this item, you may have to restart your computer. Update for Internet Explorer for Windows XP x64 Edition (KB912945) Update for Internet Explorer for Windows Server 2003 x64 Edition (KB912945) Update for Internet Explorer for Windows Server 2003 64-bit Itanium Edition (KB912945)