Dear Sir,
Why cann't I post my new topic with my own username? After I click the button " Submit" , there is an annoucement " Sorry, your username have been taken.."
Solace
P/s: I can not use my nick in Ask a teacher forum but everything is all right here!
It sounds like you may have been logged out beofre you managed to press the submit button. Make sure you have the "Log me in automatically" option checked when you log in next time. ;-)