Login Error

DI localhost saya udah berhasil instal WP

1. Udah di upload ke live server semua filenya
2. udah di created databasenya dan user untuk databasenya, serta udah di conekkan antara user dan databasenya
3. Udah ubah seting “wp-config”

tapi begitu aku panggil di browser, malah dapat pesan :

Warning: Cannot modify header information – headers already sent by (output started at /home/anycarin/public_html/wp-config.php:28) in /home/anycarin/public_html/wp-login.php on line 12

Isi dari wp-login.php on line 12 sbb:
header(‘Content-Type: ‘.get_bloginfo(‘html_type’).’; charset=’.get_bloginfo(‘charset’));

Warning: Cannot modify header information – headers already sent by (output started at /home/anycarin/public_html/wp-config.php:28) in /home/anycarin/public_html/wp-login.php on line 24

Isi dari wp-login.php on line 24 sbb:
setcookie(TEST_COOKIE, ‘WP Cookie check’, 0, COOKIEPATH, COOKIE_DOMAIN);

Setelah aku masukkan username dan password keluar pesan sbb:

Cheap Auto InsuranceERROR: WordPress requires Cookies but your browser does not support them or they are blocked.

mohon bantuannya gimana sih setingnya setelah di upload
apa aja yang harus di ubah..??