Try resetting the store app:
Settings>Apps>apps & features find the store & check advanced, choose reset.
Check here for more:
https://support.microsoft.com/en-gb/help/402749...
Or reset the cache:
https://www.tenforums.com/tutorials/15057-clear...
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products).
Please do not download any repair tool which may be offered by this site other than the ones I mention/recommend.
Thoroughly research any product which is mentioned here before you decide to download and install it.