User Account Control (UAC) in Windows 7

by Shijaz Abdulla on 23.02.2009 at 07:15

February 23, 2009

The User Account Control (UAC) feature, first introduced in Windows Vista, helps prevent potentially harmful programs from being executed inadvertently on the computer. UAC notifies the user each time a program uses the administrator privilege on the computer.

While UAC is a powerful means of securing the computer, I know many users find repeated warnings (for known changes) too annoying and eventually end up turning UAC off altogether, thereby compromising security.

Windows 7 Beta adds more granular control over UAC notifications. There are four levels on UAC:

  • Most secure: Always notify and dim the desktop till the user responds
  • Default: Notify only when programs try to make changes (not when user makes changes)
  • Notify progams only but don’t dim desktop (lets the user do other stuff while the message is on)
  • Least secure: Turn UAC off (never notify)