Hey Nika!
Nice to meet you! I'm Darhyl, a fellow gamer. I'm sorry you are experiencing this. I am here to help.
Deleting the folder for Xbox games on Windows may result in technical issues in the Xbox app.
If you wish to proceed, you can check the specific troubleshooting steps here at this link:
https://www.youtube.com/watch?v=5-nMz2pt1HI
Disclaimer: This is a 3rd party troubleshooting step.