A video and audio reproduction apparatus connectable to a reception apparatus, said video and audio reproduction apparatus comprising: a reproducing unit configured to reproduce audio data and video data; a first transmission unit configured to convert, into first data in accordance with a first standard for transmitting data, the audio data and the video data reproduced by said reproducing unit, and to transmit the first data to the reception apparatus; a second transmission unit configured to convert, into second data in accordance with a second standard for transmitting data, the audio data and the video data reproduced by said reproducing unit, and to transmit the second data to the reception apparatus; a message display unit configured to display a message; a display determination unit configured to determine to display an error message regarding an error occurring in said first transmission unit when determining, based on information obtained from the reception apparatus, that the reception apparatus displays the video and emits the sound using the first data, and to determine not to display the error message when the reception apparatus does not display the video and emit sound using the first data; and a display control unit configured to cause said message display unit to display the error message when said display determination unit determines to display the error message, and not to cause said message display unit to display the error message when said display determination unit determines not to display the error message, characterized in that said display determination unit is configured to determine whether or not the reception apparatus displays the video and emits the sound using the first data, based on information transmitted from the reception apparatus in interactive message communication included in the first standard for transmitting data, the first standard for transmitting data allowing interactive message communication. a reproducing unit configured to reproduce audio data and video data; a first transmission unit configured to convert, into first data in accordance with a first standard for transmitting data, the audio data and the video data reproduced by said reproducing unit, and to transmit the first data to the reception apparatus; a second transmission unit configured to convert, into second data in accordance with a second standard for transmitting data, the audio data and the video data reproduced by said reproducing unit, and to transmit the second data to the reception apparatus; a message display unit configured to display a message; a display determination unit configured to determine to display an error message regarding an error occurring in said first transmission unit when determining, based on information obtained from the reception apparatus, that the reception apparatus displays the video and emits the sound using the first data, and to determine not to display the error message when the reception apparatus does not display the video and emit sound using the first data; and a display control unit configured to cause said message display unit to display the error message when said display determination unit determines to display the error message, and not to cause said message display unit to display the error message when said display determination unit determines not to display the error message, characterized in that said display determination unit is configured to determine whether or not the reception apparatus displays the video and emits the sound using the first data, based on information transmitted from the reception apparatus in interactive message communication included in the first standard for transmitting data, the first standard for transmitting data allowing interactive message communication.