2.If you have correct username and password but still can't log in.
You may have turned the cookies off by accident. Just set cookies of your browser on.
3.How to reactivate account which is inactive already?
To reactivate your account, please input your username/email and password in the form below, then click "Reactivate" button. You will receive a confirmation letter after it is successful.
4.How to change username/password?
Simply click on "Update my account" after login successfully.