User Account Control - Wiki
It aims to improve the security of Microsoft Windows by limiting application software to standard user privileges until an administrator authorizes an increase or elevation. In this way, only applications trusted by the user may receive administrative privileges, and malware should be kept from compromising the operating system.
In a controversial article, New York Times Gadgetwise writer Paul Boutin said "Turn off Vista's overly protective User Account Control. Those pop-ups are like having your mother hover over your shoulder while you work."
Computerworld journalist Preston Gralla described the NYT article as "...one of the worst pieces of technical advice ever issued."
In Microsoft Windows UAC pops up so often that many people simply turn it off.My post provides a way to mitigate that for the programs that you know and use often.
I don't know what Macs do, but in Linux, not only must you explicitly acknowledge the program that wants to run, but you must enter your password, to let it run.
But again, this is only for some programs, and mainly the ones that could download programs, or alter "protected" files.Any program trying to run without your knowledge will be tripped up.
Is this type of intrusion necessary? Of course not. No more than wearing seatbelts.
I drove for over 30 years without wearing a seatbelt,
and nothing ever happened to me.Of course, nowadays the police will pull you over if they see you driving and not using it. But it's absolutely not needed.
The same is true about UAC.