I-Doser.com can not answer technical questions related to the I-Doser Player Application or the purchased doses. Due to the nature of binaural brainwave technology, we can not offer refunds on purchased doses or problems due to technical issues. For more information on best usage practices, please see the usage faqs and tutorials at http://www.i-doser.com. If you have questions regarding an order, please use the form below to submit your question and we will answer it within 24 hours.