Hi, Andrew_797
You should repair the Operating System completely, before you should backup your files, check this link.
https://www.intowindows.com/repair-windows-10-i...
Standard Disclaimer: There are links to non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.