You can reset your password by opening the “config.php” file, find the line starting with:
'adminPassword' =>
And change it to:
'adminPassword' => '21232f297a57a5a743894a0e4a801fc3',
Next step, using phpMyAdmin or a similar MySQL admin tool, open your database and go to the “membership_users” table .. find the admin user and change the passMD5 field value to “21232f297a57a5a743894a0e4a801fc3” (without quotes).
Now, you can log into the admin area using the password ‘admin’. You should then change the password from there.