My favorite way to quit Jaws is to hit Insert+F4 which puts you on the OK button to quit Jaws. Then use Windows+R to bring up thee Run dialogue and type "jaws" (no quotes) and the version number you want to start, such as jaws2018.
HTH,
--
Lee Maschmeyer
"Never imagine yourself not to be otherwise than what it might appear to others that what you were or might have been was not otherwise than what you had been would have appeared to them to be otherwise." --Lewis Carroll