[Serusers] Problems login on serweb

Hello, I have instaled ser an serweb to config and manage it. When i try to login in the serweb admin page, the page refresh but i can't logon it. the same has happnd in the user login page. I just try user "ser" an password "heslo" without success. I change then the password for user ser in mysql but i can't login too. the php.ini globals era set to On, like serweb INSTALL file said. Witch is the admin user for serweb? How could I create a valid admin user to log in with it? How could I create a valid user to log in with ir too? Any clue will be aprreciated. Regards from Spain. Thanks in advice. Ismael