インストール後ログイン出来ないです。

初めまして
xreaにwordpressをインストールしたところ
エラーが出てログイン出来ません。
MySQL 5.1.22-rc

以下————-

Warning: Cannot modify header information – headers already sent by (output started at /virtual/xxx/public_html/wordpress/wp-config.php:1) in /virtual/xxx/public_html/wordpress/wp-login.php on line 353

Warning: Cannot modify header information – headers already sent by (output started at /virtual/xxx/public_html/wordpress/wp-config.php:1) in /virtual/xxx/public_html/wordpress/wp-login.php on line 365

Warning: Cannot modify header information – headers already sent by (output started at /virtual/xxx/public_html/wordpress/wp-config.php:1) in /virtual/xxx/public_html/wordpress/wp-includes/pluggable.php on line 737

Warning: Cannot modify header information – headers already sent by (output started at /virtual/xxx/public_html/wordpress/wp-config.php:1) in /virtual/xxx/public_html/wordpress/wp-includes/pluggable.php on line 738

Warning: Cannot modify header information – headers already sent by (output started at /virtual/xxx/public_html/wordpress/wp-config.php:1) in /virtual/xxx/public_html/wordpress/wp-includes/pluggable.php on line 739

Warning: Cannot modify header information – headers already sent by (output started at /virtual/xxx/public_html/wordpress/wp-config.php:1) in /virtual/xxx/public_html/wordpress/wp-includes/pluggable.php on line 934

ここまで———–

ネットで調べてterapadを使用してutf-8bom無しにしたり
.htaccessをアップしたり
しましたが、他にやることがあるのでしょうか？