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User Account Control (UAC) 是在 Windows Vista 中新加入的一种安全特性。简单的讲，就是在使用管理员用户时把管理员权限和一般用户权限分开。

由于很多程序都需要高权限才可以运行，导致UAC频繁提示，十分烦。很多朋友使用Vista都把UAC关闭，这的确是一个好的办法，但是损失了安全性。

Norton UAC Tool是一个全新概念的工具，能够完全接管Vista内置的UAC机制。最重要的，提供了下次不再询问的选项！

无法截图，只能用数码相机拍。

目前这个工具被放在Norton Labs里面，还处于beta阶段。

赛门铁克作为微软的重要合作伙伴，据说可以看到很多微软的源代码，同时也是世界顶级的安全厂商。所以用他的工具来替代UAC我觉得是安全的。

使用很简单，下载回来安装后即可。

会询问是否开启UAC，默认即可。

最后点Install就完成了安装。卸载也差不多是同样的过程。

这个工具提供了一种和微软不同的提示方法，未来还未提供联网的白名单机制。

目前的UAC对一般用户来说基本都是直接通过的，还无意义。而赛门铁克的UAC将会通过安全等级来详细告诉用户，并且实时更新的。

User Account Control (UAC) is a new security feature in Microsoft Windows Vista that changes the architecture of the access token creation process and prevents users from logging on with full administrative rights.

While the intent of this feature may have been enhanced security, all too often users need administrative rights for tasks like installing/updating programs, and many software applications need access to run properly.

The User Account Control tool has been designed to replace the Vista UAC, to simultaneously make your system more secure while significantly improving user-friendliness.

By default, any application launched by an administrator is running with a filtered, standard user access token. When the administrator attempts to perform a task, the UAC prompts the user to approve the action. This can lead to poor user experiences because the prompts can be slow to display, and appear frequently and without warning. What’s more, because the UAC may give a false sense of security since other processes can still access the desktop, it actually raises security concerns.

The net effect is that many users find the UAC security clearance and prompting process annoying, especially those who are a computer’s only user and have all the latest Norton Internet Security software installed and updated.

The User Account Control tool will collect user input as well as information on applications causing prompts. The data will be processed to improve the comprehensiveness and robustness of the white list, which will be updatable while running the tool online.

提供32位（NUACx86.exe）和64位（NUACx64.exe）两个版本，注意区分。一般都是用32位的版本。

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PS：在汉化新世纪找到了一个汉化版，英文不好的朋友可以试试：http://www.hanzify.org/?Go=Show::List&ID=12115

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