http://3m3htihjafazx3etsscphvyskhmhbsv7cf2cgc4unvna34xshluptgid.onion/faq.php
If you accidentally close the browser's window, what are your next steps? After receiving the deposit address, you don't need to keep the window open, because the mixing process will be done automatically. And you have to remember that the deposit address is valid for only 24 hours, and after that time all related data will be deleted, all payments to the address will be ignored then.