A function execution apparatus includes a controller configured to display a standby screen for selecting a specific function from among one or more functions, the one or more functions including a file processing function to use a file storage service provided by a service providing apparatus when data communication with the service providing apparatus is performed through a communication network, determine whether the file processing function is in an executable condition, in response to determining that the file processing function is in an unexecutable condition, display on the standby screen an error image representing that the file processing function is in the unexecutable condition, accept a selection of the specific function in a state where the standby screen is displayed, and execute the selected specific function.