Any problems you have with the software or any other related to your account should be handled by the developer. He is the one with access to these details. Unfortunately, the only contact is through phone or mail address.
Contact page: http://nontube.com/contact/
Phone#: +90 537 2989977
Address: Zirve University, IT Department
Campus of Kizilhisar
P.O. Box 27260