1. Do not delete the PasswordHash.php as it is required for encrypting password.
2. Dont configure the following files because they are created automatically by the script after login
/pivotx/db/ser_events.php
/pivotx/db/ser_sessions.php
/pivotx/db/ser_weblogs.php
/pivotx/db/ser_categories.php
/pivotx/db/ser_logins.php
3. While installation Default language * English