Eroare instalare

Va salut,
iata ce raspuns primesc dupa logare:

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at D:\WEBSITES2\dru\sites\default\settings.php:1) in D:\WEBSITES2\dru\includes\session.inc on line 10

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at D:\WEBSITES2\dru\sites\default\settings.php:1) in D:\WEBSITES2\dru\includes\session.inc on line10
warning: Cannot modify header information - headers already sent by (output started at D:\WEBSITES2\dru\sites\default\settings.php:1) in D:\WEBSITES2\dru\includes\common.inc on line 99.
warning: session_regenerate_id() [function.session-regenerate-id]: Cannot regenerate session id - headers already sent in D:\WEBSITES2\dru\modules\user.module on line 817.
warning: Cannot modify header information - headers already sent by (output started at D:\WEBSITES2\dru\sites\default\settings.php:1) in D:\WEBSITES2\dru\includes\common.inc on line 192.

Are cineva vreo idee de ce? sau unde gresesc?

Multumesc anticipat.