I'd suggest waiting for a reply from one of the WU team first to see if they can help, and then if there are any outstanding issues bringing it back to this thread? Trying to fix multiple problems at once can be difficult, so easiest to focus on the WU issue first.
That's always what I try if or when SFC and DISM, used in conjunction with each other, do not solve a problem or problems. I've never had it fail, and I know of one instance in the hundreds of times I've recommended it where it actually did fail. A nuke and pave was eventually done.
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