UAC or User Access Control is a new feature of Windows Vista
that is meant to enhance the security of your system. Each time
an application is installed or whenever an important system
change is made by the user or by a running process, the screen
is blacked out and temporarily disabled and a dialog is shown
with the choices to allow or deny the action. If the logged user
is not an administrator, Windows Vista will also ask for the
administrator password. While this helps keeping your system
safer from threats, it can also be very annoying and sometimes
confusing. UAC does clearly improves the security on Windows
Vista, under some scenarios you might want to disable it, for
example when giving demos in front of an audience. Some home
users might be tempted to disable UAC because of the additional
mouse clicking it brings into their system, however it is
recommended not to immediately do so, and try to get used to it
instead. There are a few ways that you can use to turn off the
UAC. Click Start and then open