What is this authenticator thing at the login screen?

https://ibb.co/hMqYYs9

Can it be removed?

Yes, by entering two-factor-authentication code from rightful owner of account

If you have not enabled two factor authentication you can leave it empty.

yeah, but I want to remove it, its annoying

It is an option in the WTF\Config.wtf file, but I don't remember which one.

Code:

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SET g_accountUsesToken [1|0]

---