What to do when Windows Update doesn't work properly?

I have been using a Windows PC for a long time, but it has been acting up lately. This is a note (or perhaps a complaint?) about that.The issue is with "Windows Update".It didn't use to be like this, ...

Record of recovery by overwriting Windows 11 after reinstallation failed, and how to stop 'Dynamic Update' on PCs where updates are stuck

I look at many PCs, and recently I have been seeing an increasing number of cases where Windows updates do not proceed, and I ...