I think (although I'm not 100% sure) that if you don't react to the prompt at all, it automatically reboots after a while, at least on some updates. You may no

I think (although I'm not 100% sure) that if you don't react to the prompt at all, it automatically reboots after a while, at least on some updates. You may not always be at the computer if you're waiting for some kind of a long-term process to finish.