Abstract: An image processing apparatus transmits, after reception of a login notification of an authenticated user, the login notification to an identified application, and then changes displaying of a screen of a display unit to displaying of an initial screen corresponding to the identified application. After the displaying of the display unit has been changed to the displaying of the initial screen, the image processing apparatus transmits the login notification to, among applications belonging to a first group, an application to which the login notification has not been transmitted, and applications belonging to a second group.