Windows partition overwritten?

I've installed recently Ubuntu 18.04 LTS dual boot on 500 GB, assigning 20 GB to / and 80 GB to /home directories. Because Windows 10 loading claimed 0xc000000f Error I started searching for a solution, including Linux and Windows Tools/methods which I did try out.

I suspect that Windows was completely overwritten. Linux log is under: http://paste.ubuntu.com/p/MfxN2h8fnm/

(I have only a recovery sector of 800 MB, not an extra CD/DVD or drive for that) If the partiotion is deleted, what is the best way to make a dual boot system again?