Solved
Hola,
Estoy teniendo dificultades para iniciar sesión en geogebra 5. La ventana de inicio de sesión no "avanza". Solo se queda ahí. Alguna recomendación?
Hello,
I am having difficulty logging into geogebra 5. The login window does not "advance". It just stays there. Any recommendation?
Gracias/ Thanks
The same problem 
You'll need to use a GeoGebra username - you can add a password to your account here if you haven't already done so https://accounts.geogebra.org/
(Google have added some restrictions...)
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