Cannot access "PC Settings" nor the Apps Store

[AWS]

Hi,
It seems that both just crash to the desktop right after the big icon flashes through the screen.
I've been googling this for quite a bit now. I tried using SFC command but no anomalies found.
I tried using safeboot but that didnt help either.
My only remaining guess is to reinstall (I cant even Refresh PC) or repair-install to get this fixed.
Any suggestions before I do so?

Thanks!

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