MacOS Catalina 10.15 unable to update
unable to update. a display warning that says: "The update package has been deleted since being downloaded from the Apple Software Update server" An error occurred while installing the selected updates. I have a screen shot of this message as well.
MacBook Pro (15-inch, Mid 2012) 2.3 GHz Intel Core i7, 16 GB 1600 MHz DDR3 running macOS Mojave 10.14.6.
MacBook Pro 15", macOS 10.14