この jriver ループ プロセスを取り除くにはどうすればよいでしょうか?

この jriver ループ プロセスを取り除くにはどうすればよいでしょうか?
Mar 12 10:47:21 raspberrypi rsyslogd-2007: action 'action 17' suspended, next retry is Mon Mar 12 10:48:51 2018 [try http://www.rsyslog.com/e/2007 ]
Mar 12 10:47:21 raspberrypi systemd[1]: Stopping JRiver...
Mar 12 10:47:21 raspberrypi systemd[1]: Starting JRiver...
Mar 12 10:47:21 raspberrypi systemd[1]: Started JRiver.
Mar 12 10:47:21 raspberrypi systemd[14859]: Failed at step EXEC spawning /usr/bin/mediacenter22: No such file or directory
Mar 12 10:47:21 raspberrypi systemd[1]: jriver.service: main process exited, code=exited, status=203/EXEC
Mar 12 10:47:21 raspberrypi systemd[1]: Unit jriver.service entered failed state.
Mar 12 10:47:32 raspberrypi systemd[1]: jriver.service holdoff time over, scheduling restart.

関連情報