I try to get the profiles and get the message attached. I've enabled remote and front-end backups, set up a password and saved it, and have the latest akeeba beta installed.
I do have NOD32 antivirus installed. (When I downloaded and installed Remote it was off.) When I disabled it and then run Remote, I get the same error message (although once the error message changed to "non-JSON data received").
So, any ideas? Looks like a great update by the way!