PHP Code:

mysql_connect("localhost","user","pass") or  
die("Could not connect!!^_^" . mysql_error()); 


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the error msg i received is this.....
-----------------------------------------------------------------------------
Client does not support authentication protocol requested by server; consider upgrading MySQL client
-----------------------------------------------------------------------------

Thanks guys.

My configuration is

IIS
Win 2K
MySQL 4.1.7
PHP Version 4.3.11

Check out http://dev.mysql.com/doc/mysql/en/old-client.html

ibbo