What to do, Windows does not see Samba server (Ubuntu-server)?

Question

Samba

I have no idea where to look and what to look for.
Could there be a problem on the part of Windows (10), if so, what and how to find it?
smb.conf

testparm

Folder
permissions -- In the path already registered "/home/admin-developer/samba/public_html" --

Answer 1

iptables?

Answer 2

ps aux | grep winbind

Answer 3

I wrote a small guide for myself, maybe it will come in handy for you:
Setting up Samba in Ubuntu