@quartzdoll position is easy to understand: a computer and its OS plus drivers and programs is a very complex system - to start from zero is the best way not to have problems.
However: a fresh install each six months? What would Amazon, Azure, Google, IBM, Oracle etc. sysops think of that...
@kelper proposal seems to be sound, despite being laborious - I would have to be able not to need that computer for quite a while. In fact, I've already done a Macrium backup beforehand. Will keep you posted on any decision.
@quartzdoll - Isn't that a very radical solution? I would have to reinstall everything afterwards; that's not the main problem, though: each and every program has its set of configurations which would have been lost and so on.
quartzdoll
AMD Ryzen 5600G (Radeon Vega embedded GPU) | ASRock MB550M Pro4 [2.30 BIOS] | 16 GB memory (Crucial)
Windows Update (for a while), Microsoft PC Health Check and Windows 11 Installation Assistant all say the system is ready.
Ran chkdsk /f c: before trying to update | Ran sfc /scannow which said...