登陆管理提示错误，请问如何解决？谢谢！
首页可以正常显示，但是点击登陆的时候出现以下提示：
Warning: Cannot modify header information - headers already sentby (output started atE:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-login.php on line 267
Warning: Cannot modify header information - headers already sentby (output started atE:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-login.php on line 279
输入用户名密码以后出现：
Warning: Cannot modify header information - headers already sent by (output started at E:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-login.php on line 267
Warning: Cannot modify header information - headers already sent by (output started at E:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-login.php on line 279
Warning: Cannot modify header information - headers already sent by (output started at E:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-includes\pluggable.php on line 595
Warning: Cannot modify header information - headers already sent by (output started at E:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-includes\pluggable.php on line 596
Warning: Cannot modify header information - headers already sent by (output started at E:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-includes\pluggable.php on line 597
Warning: Cannot modify header information - headers already sent by (output started at E:\wwwroot\wen52quan\wwwroot\blog\wp-config.php:1) in E:\wwwroot\wen52quan\wwwroot\blog\wp-includes\pluggable.php on line 766
是什么原因，如何解决！
