Difficulty setting up My Cloud Home 2TB

I’m trying to replace my old WDMyCloudEX2 with a new My Cloud Home 2TB. I expected this to be pretty straight-forward and fairly easy. It has been anything but. I use the drive to backup three computers, and syncronize the Documents on two of them via GoodSync (which is a bit of a pain, itself).

Right now, after several reboots, the My Cloud Home 2TB is supposedly offline, but accessible via the web and my iPhone app. The desktop app locks my Mac ebery time I’ve tried to use it to do anything.

Anyone out these having any success with this thing?

Did I buy the wrong device for my purpose?