A recent Windows 10 Update disabled SMB 1 type of access which might cause you to get this error.
To fix it goto Control Panel -> Programs and Features and in the upper left-hand-corner click on "Turn Windows Features On or Off"
Scroll down until you see SMB 1.0/CIFS File Sharing Support and click on "+" symbol
Click on all checkboxes in this expanded section and then click on OK. The system will make the changes and ask you to reboot the system.
All 7 questions are answered in the thread here, just read it.
It is literally the post you replied to