Streams (including Mikogo, TeamViewer, etc.) - technical aspects.

Maybe someone can help me fix this error...
I can't connect...
It says that the login or password is incorrect...
I'm entering everything correctly, just like when I registered: email, password...
I'm trying to connect to the server through the program, and it also says that the login or password is incorrect...
I've already uninstalled and reinstalled the program, and even registered under a different name. It still won't let me connect((((((((((((((((