Ran tweaking tool in safe mode.
After computer rebooted, the speaker icon in the taskbar (bottom right corner of screen) is xed out. (The Audio Service is not running.) Update: Rebooted and sound icon shows working.)
Ran the troubleshooter.
Same messages as post #29, EXCEPT, Service Registration is missing or corrupt. Not fixed
Edited by Jackpine, 10 March 2018 - 01:36 PM.