Authentication errors in OS X may be rooted in peripherals
When you attempt to install a program or perform other administrative tasks in OS X, the system will prompt you for a username and password before continuing. Generally when such prompts show up they will not go away until you press either the OK or the Cancel buttons; however, sometimes errors might occur in which the authentication window might unexpectedly close.
When this happens, upon performing an administrative task the system will display the prompt but immediately close it without letting you supply credentials and authenticate.
Recently MacFixIt reader Scott wrote in about an experience with such a problem when … Read more
