For all KONAMI ID support, please go to the page indicated below. Be sure to select your region and platform before taking a look around to find an answer to your question.

https://my.konami.net/faq.html

If you're unable to find your answer, then please go to the bottom of the page and click ‘CONTACT US’. From here, you'll be able to fill out a form to contact our dedicated KONAMI ID team directly, who will be more than happy to help you further!