This update helps resolve an issue on computers running Windows XP Service Pack 2. Programs that connect to IP addresses in the loopback address range may not work as expected and you may receive an error message indicating you cannot establish a connection. After you install this item, you may have to restart your computer. Elsewhere, this download installs Microsoft Windows Script containing Visual Basic Script Edition (VBScript.) Version 5.6, JScript Version 5.6, Windows Script Components, Windows Script Host 5.6, and Windows Script Runtime Version 5.6.