i don't know of a way yet to disable this feature globally, but you can disable it on an app by app basis by issuing this command in a terminal: defaults write

i don't know of a way yet to disable this feature globally, but you can disable it on an app by app basis by issuing this command in a terminal: defaults write com.apple.Preview NSQuitAlwaysKeepsWindows -bool NO just replace "Preview" (above) with whatever you want to not have restore windows instead.