Problem with login password and registration

Hi
I bought used mixvibes DVS pack Mk2 and previous user give me a login and pass
i tried change my password and email adress after that
operation i can't logg in using new and old pass. I don't recive activation mail.
I bought used mixvibes DVS pack Mk2 and previous user give me a login and pass
i tried change my password and email adress after that
operation i can't logg in using new and old pass. I don't recive activation mail.