Unfortunately, reinstalling the game won't fix the problem since it doesn't delete your savegame or your current settings. They are stored elsewhere on your computer. Try deleting the Settings.sav file located here: C:\Users\YourUserName\AppData\Local\ShopSim\Saved\SaveGames
If you're having trouble finding it, reading this post (and its replies) should help: https://itch.io/post/128793/view-in-topic
Hope this helps!