mysql安装（Error Nr.1045）错误
时间：2010-07-15 来源：yafei
The security settings could not be applied to the database because the connection has failed with the following error.
Error Nr.1045
Access denied for user ‘root’@'localhost’(using password:YES)
If a personal firewall is running on your machine,please make sure you have opened the TCP port 3306 for connections.Otherwise no client application can connect to the server.After you have opened the port please press [Retry] to apply the security settings.
If you are re-installing after uou just uninstalled the MySQL server please note that the data directory was not removed automatically.Therefore the old password from your last installation is still needed to connect to the server.In this case please select skip now and re-run the Configuration Wizard from the start menu.
解决：
开始第一行的密码不要写，应该是空的！然后输入新密码
1, 卸载MySQL
2, 删除目录 C:\Documents and Settings\All Users\Application Data\
Error Nr.1045
Access denied for user ‘root’@'localhost’(using password:YES)
If a personal firewall is running on your machine,please make sure you have opened the TCP port 3306 for connections.Otherwise no client application can connect to the server.After you have opened the port please press [Retry] to apply the security settings.
If you are re-installing after uou just uninstalled the MySQL server please note that the data directory was not removed automatically.Therefore the old password from your last installation is still needed to connect to the server.In this case please select skip now and re-run the Configuration Wizard from the start menu.
解决：
开始第一行的密码不要写，应该是空的！然后输入新密码
1, 卸载MySQL
2, 删除目录 C:\Documents and Settings\All Users\Application Data\
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