Looks like you tried clearing the cache but can you try clearing the cache by following the steps in the following link - #1 comment:
https://steamcommunity.com/app/438100/discussio...
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). Thoroughly research any product advertised on the site before you decide to download and install it.