Troubleshoot in windows 10 without losing data

Jujuteck I have moved your post to the Windows 10 discussion board in hopes someone there can help you with your inquiry. 

Thanks for being part of the community! 

Hello,

You can perform in-place repair upgrade:

https://www.kapilarya.com/how-to-repair-windows-10-using-in-place-upgrade

Let us know if this helps!

Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.