mysql版本冲突的问题

[yq8359]

我的my.ini文件

Installation Instructions
# ----------------------------------------------------------------------
#
# On Linux you can copy this file to /etc/my.cnf to set global options,
# mysql-data-dir/my.cnf to set server-specific options
# (@localstatedir@ for this installation) or to
# ~/.my.cnf to set user-specific options.
#
# On Windows you should keep this file in the installation directory
# of your server (e.g. C:\Program Files\MySQL\MySQL Server 4.1). To
# make sure the server reads the config file use the startup option
# "--defaults-file".
#
# To run run the server from the command line, execute this in a
# command line shell, e.g.
# mysqld --defaults-file="C:\Program Files\MySQL\MySQL Server 4.1\my.ini"
#
# To install the server as a Windows service manually, execute this in a
# command line shell, e.g.
# mysqld --install MySQL41 --defaults-file="C:\Program Files\MySQL\MySQL Server 4.1\my.ini"
#
# And then execute this in a command line shell to start the server, e.g.
# net start MySQL41

C:\Program Files\MySQL\MySQL Server 4.1这是我第一次装mysql的目录，现在已经卸了，为什么还显示啊？连接数据库时会显示这个警告：
Warning: mysql_connect(): Client does not support authentication protocol requested by server; consider upgrading MySQL client in D:\phpweb\test\mysql.php on line 2
是版本冲突吗？怎么解决？

[ray929]

mysql4.1对密码认证方式进行了更改
请用以下的方式重新设定密码:
用新版的mysql自带的mysql.exe登陆:
mysql -u root -p xxxxxx
然后执行下面的sql语句:


SET PASSWORD FOR 'some_user'@'some_host' = OLD_PASSWORD('newpwd');

或者

mysql> UPDATE mysql.user SET Password = OLD_PASSWORD('newpwd') WHERE Host = 'some_host' AND User = 'some_user';
mysql> FLUSH PRIVILEGES;

一般some_user 是root
newpwd是你的新密码

[yq8359]

改了密码还是不行啊