Safari Update. 19 Sep 2019 19:28:29 Drew McFarlane I have just received notification to Update Safari to version 13. 0 When I attempted to do this I was prompted to quit the Application: “Safari” cannot be updated because its extensions are in use by “Spotlight”. Click OK and quit the application. I am only using AdBlock Plus and have unchecked this in Safari Preferences. May I have assistance please.