I set up another account with a different e-mail address and the same key, it works without a problem.
I cleared browsers data, reinstalled true-key, updated browsers and windows system, connected to another network, tried on another computer as well, unfortunately I still cannot log in to my basic accounts (mobile application works).
Windows 10 Home version
Installed on 2020-09-14
OS Build 19044.1706
The capabilities of Windows Feature Experience Pack 120.2212.4170.0
After entering the login data, the following screen appears, and after a few minutes it returns to the login screen: