I'm SHOCKED that MS QA team did not test this BEFORE pushing out an update!!! SMH MS
It would seem lately that MS is pushing out a lot of updates that are buggy and the prime example of one is 2004 which was crawling with bugs and still is for many users. The insiders had told them about some things yet they still pushed it out knowing
it had problems. This is what you get when MS outsources it's update team to countries overseas like India and others. MS is failing with their customer service. If it were me I would go ahead and make yourself a new admin local user profile . I know it is
aggravating that you would need to re-setup your desktop but I was glad I did and it took only a couple of hours. You do not have to make a new Microsoft account at all and use the one you are on now and all your Apps you have gotten from the store will be
there in the Store waiting to be reinstalled if you keep your same MS account. This is all I can offer to you to solve your problem but I have not hear of anything else and there have been numerous bug reports sent to the Feeback Hub and through here with
no way to resolve except sign in to your MS or Google account in your browsers to see passwords.. Good luck.
Don