A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
I have the same problem. I had 3.3.0 before and logged out (for unrelated reasons) tried logging in again, but it did not work. I have deinstalled...
I had the same problem. The following steps did the trick for me: Close the Hub completely using the task manager (or similar). Using your file...