okay i got it to work now, for all who got my problem with the not clickable login button after u logged in once, i fixed it like this:
open 1st tbot -> open 2nd tbot
on the second write down kennylin and click login
close 1st tbot -> open another tbot (3rd)
write down ur account in the (3rd tbot)
click login -> login failed, but now the login button on the
second tbot is clickable again,
close 3rd tbot -> open a 4th tbot
now enter ur account in the 2nd tbot, click login on the 2nd tbot again,
then enter kennylin again in the 4th tbot, click login, game should start