SoloCodigo

hola soy novato , he instalado PHP triad con Apache , phpadmin y phpnuke , a la hora de probar php nuke me da el siguiente error al intentar entrar en la seccion "Forums" de mi Php Nike

 
Warning: Cannot add header information - headers already sent by (output started at c:\apache\htdocs\nuke\html\header.php:32) in c:\apache\htdocs\nuke\html\includes\sessions.php on line 249
 
y este error también
Warning: Cannot add header information - headers already sent by (output started at c:\apache\htdocs\nuke\html\header.php:32) in c:\apache\htdocs\nuke\html\includes\page_header.php on line 529

Warning: Cannot add header information - headers already sent by (output started at c:\apache\htdocs\nuke\html\header.php:32) in c:\apache\htdocs\nuke\html\includes\page_header.php on line 531

Warning: Cannot add header information - headers already sent by (output started at c:\apache\htdocs\nuke\html\header.php:32) in c:\apache\htdocs\nuke\html\includes\page_header.php on line 532


Alguien me puede decir que hacer?¿ Gracias.