From 18 to 22 March (Japanese Standard Time) the audio files you ordered could not be properly unzipped due to a program error. Now this problem has been solved and you have no worry about downloading and unziping of the files you purchase at our website.
If you happen to have ordered a track during the time of the problem please kindly download the track again. You will have no problem with unzipping the file. If you want to cancel the order placed during the above mentioned period, please contact us. We sincerely apologize for inconveniences this problem may have caused for you.