At the very end of installing iTunes 11.1.1.11 a window appears: "There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor." Available choice
At the very end of installing iTunes 11.1.1.11 a window appears: "There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor." Available choice is click "OK" then "Finish" and install has then failed.
iTunes installation-OTHER, Windows XP, unable to install iTunes v. 11.1.1.