Error message in login

I installed WordPress and when i was installing, it got some error in access permissions on the server. I solved this problem and it was installed. But when i try to login in administration, it gives the following errors:

Warning: Cannot modify header information – headers already sent by (output started at E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-content\languages\pt_BR.php:1) in E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-login.php on line 255

Warning: Cannot modify header information – headers already sent by (output started at E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-content\languages\pt_BR.php:1) in E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-login.php on line 267

Warning: Cannot modify header information – headers already sent by (output started at E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-content\languages\pt_BR.php:1) in E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-includes\pluggable.php on line 658

Warning: Cannot modify header information – headers already sent by (output started at E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-content\languages\pt_BR.php:1) in E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-includes\pluggable.php on line 659

Warning: Cannot modify header information – headers already sent by (output started at E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-content\languages\pt_BR.php:1) in E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-includes\pluggable.php on line 660

Warning: Cannot modify header information – headers already sent by (output started at E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-content\languages\pt_BR.php:1) in E:\vhosts\newtextintas.com\subdomains\blog\httpdocs\wp-includes\pluggable.php on line 846

The blog address is https://blog.newtextintas.com

Thanks