They probably lied there age, you need to be 13, but if your under 13 you could get your parents to manage it for you. That way it would be allowed. You should not really lie your age but lots of people do it and they get away with it.
you have to make a new account so alright i have answer ur question.
You are not old enough
You need to be 18.
It might be because you have either signed up for one already or they have denied the date of birth you have entered
Legally, you must be thirteen to make a YouTube account.
In the top right corner of the youtube page, make sure your signed in, and then click on your username. An extra 5 options will come up. Choose settings and then go to manage account and then go to delete account. You will be prompted to put in your password.
Don't know, still have the same problem. You figure it out and let meh know :)
No, YouTube accounts are free to make.
you can't your blocked
If you make a youtube account and you're waiting for the email confiration email for a day, then you might have misspelled your email address when you set up the account
you set your age to 18+ so you can watch flagged videos =P
Google officially brought out YouTube, that's why if you make a YouTube account, it automatically creates a G mail account.