OK, we think we found the issue (registry corruption) so please do the following.
Please follow the instructions
Here to run the System Update Readiness Tool. When the SURT finishes installing, copy (Ctrl + C) and paste (Ctrl + V) the contents of the SURT logs into your next post please.:
C:\Windows\Logs\CBS\CheckSUR.log
C:\Windows\Logs\CBS\CheckSUR.persist.log
If they are too big to attach here go ahead and make available like you did previously. Thanks.