My personal soloution is:
Start menu, settings , update and securtiy, recovery and choose reset windows 10 and keep files etc.
(Sorry all programs installed will be lost but non of your personal files)
When your windows 10 pc is ready again go to https://www.microsoft.com/nb-no/software-download/windows10
Do not use update but downlaod instead.
Follow menu and be happy 🙂