CONTROL APPARATUS, PROGRAM UPDATING METHOD, AND COMPUTER PROGRAM

Provided is a control apparatus configured to control update of a control program of an on-vehicle control device which controls target equipment installed in a vehicle. The control apparatus includes: a determination unit configured to determine whether or not to permit update of the control program, by using, as a criterion, operation of a drive source of the vehicle; and a control unit configured to perform a control to restrict stop of the drive source during permitted update of the control program.