Hi,
I just started studying the problem in my Windows 7 and find following in WindowsUpdate.log:
2017-12-04 10:10:08:513 388 848 Agent * Target group: (Unassigned Computers)
2017-12-04 10:10:08:513 388 848 Agent * Windows Update access disabled: No
2017-12-04 10:10:08:573 388 848 Agent * Found 1 persisted download calls to restore
2017-12-04 10:10:08:693 388 848 DnldMgr Download manager restoring 1 downloads
2017-12-04 10:10:08:703 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:08:703 388 848 Agent WARNING: fail to get installed categories with error 0x80248015
2017-12-04 10:10:08:913 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:08:913 388 848 Agent WARNING: fail to get update deployments with error 0x80248015
2017-12-04 10:10:08:993 388 848 Agent * Successfully loaded 1 persisted download calls.
2017-12-04 10:10:09:093 388 848 AU ########### AU: Initializing Automatic Updates ###########
2017-12-04 10:10:09:113 388 848 AU AU setting next detection timeout to 2017-12-04 08:10:09
2017-12-04 10:10:09:113 388 848 AU # Approval type: Scheduled (User preference)
2017-12-04 10:10:09:113 388 848 AU # Scheduled install day/time: Every day at 23:00
2017-12-04 10:10:09:113 388 848 AU # Auto-install minor updates: Yes (User preference)
2017-12-04 10:10:09:113 388 848 AU # Will interact with non-admins (Non-admins are elevated (User preference))
2017-12-04 10:10:09:293 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:293 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:353 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:353 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:353 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:353 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:523 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:523 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:543 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:543 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:633 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:633 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:643 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:643 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:743 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:743 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:823 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
2017-12-04 10:10:09:823 388 848 Agent WARNING: Failed to get deployment data from data store, error 80248015
2017-12-04 10:10:09:833 388 848 DtaStor FATAL: Service 7971F918-A847-4430-9279-4A52D1EFE18D requested, but it is expired
I continue later, because do not have more time for this just now.