so, i go into task manager, kill all avast processes, go back into Admin console. start the Server Update process manually. It now says 1%. so i wait about 3-5 minutes. It seems to be stuck. I exit Console. I go back to task manager, do it all over again. i do this about 3 times. Finally, when i start Server Update process, it goes from 1% to 78% and about 3 minutes later, it is finished. i check the mirror status, and it has updated. I then check my Scheduler settings, and make sure all jobs are scheduled. (Some have to be rescheduled by editing settings and clikcing OK). Restart the server, and all is well again.
somewhere, the update got stuck and hung everything.