Originally Posted by Mrs Beanbag
Forcing users to enter a password before software can access system folders is a Very Good Idea no matter how annoying you might find it.
In principle a very good idea.
In reality - useless - most users just click 'Yes' and allow everything and anything to install.
(it's only really good as a fail safe for people who know how to use a computer and accidently download something bad).
A little knowledge is a dangerous thing
Sandboxing an OS (or preferably the user) would be ideal