Microsoft said the 1909 upgrade would be easy — a “master switch” change to an already altered Win10 version 1903. It didn’t work out that way. I see
[See the full post at: Two major bugs continue to dog Win10 version 1909 — A mysterious persistent wake-up call, and the ubiquitous File Explorer Search bugs]
Does it matter how they got to 1909 or do both methods lead to the issues you’re talking about?