A display apparatus comprising: a first screen; a second screen; and a first display control unit that displays an image of a first application on the first screen upon the first application being started, and displays an image of a second application on the second screen upon the second application being started the display apparatus characterized in that it further comprises: an executing unit that executes an operation system that realizes a display control function that displays images of applications in a plurality of display areas, respectively, the plurality of display areas including at least a first display area and a second display area, wherein the first screen is split into at least the first display area and the second display area, and does not display an image of a non-supporting application in the plurality of display areas when a non-support notification is received from the non-supporting application, the non-supporting application being an application that does not support display in the plurality of display areas, and the non-support notification indicating that the non-supporting application does not support display in the plurality of display areas, wherein, when the non-supporting application is started, the first display control unit performs control so as not to receive the non-support notification and displays the image of the non-supporting application on the first screen or the second screen. a first screen; a second screen; and a first display control unit that displays an image of a first application on the first screen upon the first application being started, and displays an image of a second application on the second screen upon the second application being started the display apparatus characterized in that it further comprises: an executing unit that executes an operation system that realizes a display control function that displays images of applications in a plurality of display areas, respectively, the plurality of display areas including at least a first display area and a second display area, wherein the first screen is split into at least the first display area and the second display area, and does not display an image of a non-supporting application in the plurality of display areas when a non-support notification is received from the non-supporting application, the non-supporting application being an application that does not support display in the plurality of display areas, and the non-support notification indicating that the non-supporting application does not support display in the plurality of display areas, wherein, when the non-supporting application is started, the first display control unit performs control so as not to receive the non-support notification and displays the image of the non-supporting application on the first screen or the second screen. an executing unit that executes an operation system that realizes a display control function that displays images of applications in a plurality of display areas, respectively, the plurality of display areas including at least a first display area and a second display area, wherein the first screen is split into at least the first display area and the second display area, and does not display an image of a non-supporting application in the plurality of display areas when a non-support notification is received from the non-supporting application, the non-supporting application being an application that does not support display in the plurality of display areas, and the non-support notification indicating that the non-supporting application does not support display in the plurality of display areas, wherein, when the non-supporting application is started, the first display control unit performs control so as not to receive the non-support notification and displays the image of the non-supporting application on the first screen or the second screen.