Uhh, maybe I found my reason -- I edited the document "/etc/default/speech-dispatcher" to eliminate the warning "speech-dispatcher disabled: edit/etc/default/speech-dispatcher" which appeared on the shutting screen.
Uhh, maybe I found my reason -- I edited the document "/etc/default/ speech- dispatcher" to eliminate the warning "speech-dispatcher disabled: edit/etc/ default/ speech- dispatcher" which appeared on the shutting screen.