Sing-in Issue: Flawlessly logged into CClowd but After Effects keeps asking to login each time...

Every time run AE for the first time in the day, it asks me to log in. Sometimes later in the day.
Once I do, it says "too many computers connected" and shows me this PC logged twice.

I disconnect one false PC, now I can move forward... but no! Here comes another pop up:

"we can't reach Adobe servers"

- How is this possible? Then how did you know that my pc was logged twice on the first place? What it was logged to?

This all happens with CC logged flawlessly from the beginning. It's driving me crazy...
Can you help me please?

Also, how it's possible that there is no "keep me logged" checkbox?