When I'm trying to install wikimedia in my local server (xampp) I'm getting this ERROR ! Please help me to fix this ASAP!thanks

Here's the error

""" Connected to mysql 5.1.40; You are using MySQL 4.1 server, but PHP is linked to old client libraries; if you have trouble with authentication, see http://dev.mysql.com/doc/mysql/en/old-client.html for help """