Someone can help me with this error

at this image ar one of two error i have in my server the secount is this

me when I try to register using 127.0.0.1 appears
the following error


Warning: mssql_connect () [function.mssql-connect]: message: Login failed for user 'sa'. (severity 14) in / opt / lampp / htdocs / register / processor.php on line 26

Warning: mssql_connect () [function.mssql-connect]: Unable to connect to server: TDS in / opt / lampp / htdocs / register / processor.php on line 26

Warning: mssql_select_db (): supplied argument is not a valid MS SQL-Link resource in / opt / lampp / htdocs / register / processor.php on line 27
Connection failed! Check your core.php

nano /opt/lampp/htdocs/register/core.php
change $ADMIN_PASS to match with yours

k i will try thx bro

i have fixed.

but i am using CentOS 4,5.

i have maked this tutorial and fix:
http://phpbrasil.com/articles/article.php/id/428

tutorial is in Portuguese (Brazil), but only use google translator to your language.

voce que eh brasileirom me passa os arquivos do seu server pq eu num consigo acha?