Maybe you misunderstood me because of my lack in English but I don't think an update did that. My problem is I can't do the update. But if you didn't misunderstood me, I will try what you mentioned.
I think the title is long and descriptive enough. But let's summarize my story.
I recently got out of Insider Preview because my system didn't get 24H2 yet and I thought maybe this helps. Then there was 23H2 update in Windows Update even I'm already at 23H2. I thought I'm downgrading to stable...