problem error with wamp..

hi guys.. i need help. i just install WAMP to my pc, and install wordpress locally..but i got this problm. can anyone help me..plzz.!!

this is the error :

Warning: Cannot modify header information – headers already sent by (output started at C:\wamp\www\wp-config.php:1) in C:\wamp\www\wp-includes\pluggable.php on line 770