Instagram account disabled,how to get it back?

[lucy]

i sign up to instagram with email/username the screen showed some kind of processing message, then the screen paused, so i refresh, then try to login in, it come with message

'Your account has been disabled for violating our terms: http://instagram.com/about/legal/terms/
If you think your account was disabled by mistake, you may be able to appeal the decision by opening the app, entering your'


BUT I only tried to sign up and now when I try to sign in it come with the message above, when clicking on forgot password it come up with 'user does not exist'

so what can I do to get back?