it is impossible to log into your account directly in the application; to the site with the same data starts up
Hello @alexvonpas,
You are saying that with the same credentials, you are able to log into your TeamViewer via the Management Console, but not in the TeamViewer application?
Maybe your keyboard language settings have changed... I would recommend checking on them.
If you really cannot log in after checking all the possibilities, I would recommend resetting the password once for good. 😊
You can do this via the following link:
Let me know how this goes!