U (Windows Installer)

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

upgrade

Recent and improved version of an existing application. For more information, see Patching and Upgrades.

User Account Control (UAC)

UAC is a new access control technology in Windows Vista that causes all users to run with limited privileges. For more information, see the User Account Control documentation.