You can easily screw linux with one command or a bad software install ... and that means, needing to reformat. So in that I think people are demanding the impossible from Microsoft.
I doubt UAC will the the solution to all problems, but it's a step to a good direction. User's should read the messages, you can't blame the creators for everything, user stupidity is to blame most of the time.
I doubt UAC will the the solution to all problems, but it's a step to a good direction. User's should read the messages, you can't blame the creators for everything, user stupidity is to blame most of the time.