Hello! My name is Renzo, and welcome to the Microsoft Community.
I'm sorry to hear you are experiencing this issue, and I'll be happy to help you.
To help you with your issue, can you answer the following;
- What is the exact error that appears when you try to open the Settings? If you can provide screenshots, that would be great.
- Were there any changes before the issue happened?
- Can you check if the Settings is showing in the task manager?
I'll wait for your response. Thank you.