Microsoft has released an update to resolve HTTP authentication issues in Windows-based systems that do not appear until Microsoft Internet Explorer 7 is installed.
Download for Windows XP
Download for Windows XP x64 edition
Download for Windows Server 2003
Download for Windows Server 2003 for Itanium-based systems
Download for Windows Server 2003 x64 edition
Download for Windows XP
Download for Windows XP x64 edition
Download for Windows Server 2003
Download for Windows Server 2003 for Itanium-based systems
Download for Windows Server 2003 x64 edition