Here what worked for me (So far, cuz you never knows with these bozos)
Task Scheduler
-Goto Task Scheduler Library|Windows|UpdateOrchestrator.
-Disable Combined Scan Download...
-Disable Maintenance Install
-Disable Reboot
-Disable Resume On Boot
-Disable Schedule Scan
-Disable UpdateAssistant
-Disable UpdateAssistantCalenddarRun
-Disable UpdateAssistantWakeupRun
-Goto Task Scheduler Library|Windows|WindowsUpdate
-Disable Automatic App Update
-Disable Scheduled Start
Run service cpl (start services.msc)
-Goto "Windows Update" and press Stop, then set it manual or disable it
Goto Installed Applications
-Uninstall Update Assistant
Reboot...