Here is what I just found with a Google search and it worked for me.
Open the Control Panel select Programs and Features then open Turn Windows features on or off
then make sure the following box is checked, SMB 1.0/CIFS File Sharing Support, your computer will have to reboot for it to take affect. See images below, click on, tap or activate images to enlarge them.
End results, my My Cloud is back. See images below.