Microsoft Latest Operating System have many new improvement, like new themes (Aero and windows vista), better file management, live search, Flip 3D, new control panel, hardisk management, new animated icon and better system security than their old product (Windows 98, Windows ME, Windows 2000 Family, Windows XP Family, and Windows 2003).
User Account Control is one new application, to manage user privileges on Windows Vista. Sometimes this Service make boring, because we always get question every time to install or manage program in Windows Vista. Like Microsoft say.
User Account Control (UAC) can help prevent unauthorized changes to you computer. We recommended that you leave UAC turned on to help protect you computer.
Do you want Turn User Account Control On or Off? Follow this tutorial.