Notice: Undefined index: pass in z:\home\localhost\www\drupal\includes\database.mysql.inc on line 31

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at z:\home\localhost\www\drupal\includes\database.mysql.inc:31) in z:\home\localhost\www\drupal\includes\session.inc on line 10

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at z:\home\localhost\www\drupal\includes\database.mysql.inc:31) in z:\home\localhost\www\drupal\includes\session.inc on line 10

warning: Cannot modify header information - headers already sent by (output started at z:\home\localhost\www\drupal\includes\database.mysql.inc:31) in z:\home\localhost\www\drupal\includes\common.inc on line 99.

сразу после установки вот что получилось:(
что с этим сделать
и что нужно сделать для того, чтобы создать пароль для БД.
PS> стоит денвер