MYSQL求救！

最近想学习PHP，本地安装DISCUZ试验。
运行install.php时出现以下提示：

Discuz! info: Can not connect to MySQL server

Time: 2006-1-9 6:40am
Script:

Error: Client does not support authentication protocol requested by server; consider upgrading MySQL client
Errno.: 1251

Similar error report has beed dispatched to administrator before.

但是我的MYSQL是5.0.18的呀，怎么会是SQL客户端需要升级呢？

软件环境：
winxp sp2
apache_2.0.55
php4.3.11
mysql5.0.18
真心求教！

给你找了几篇文章 你看看吧
http://www.intodigi.com/Net/Website/Database/MySQL/7704.html

http://www.neeao.com/Blog/article.asp?id=361