Disable and Turn Off (or Enable or Turn On) Data Execution Prevention (DEP) in Windows Vista禁用和关闭（或启用或打开）数据执行保护（ DEP ）在Windows Vista

Data Execution Prevention (DEP) is security feature that first introduced in Windows XP Service Pack 2 (SP2) and is included in Windows XP Tablet PC Edition 2005, Windows Server 2003 Service Pack 1 (SP1) and数据执行保护（ DEP ）是安全功能，首先介绍了在Windows XP Service Pack 2 （ SP2 ）和包含在Windows XP Tablet PC Edition 2005中，在Windows Server 2003的Service Pack 1 （ SP1 ）和 Windows Vista Windows Vista的 , plus future operating system. ，再加上未来的作业系统。 DEP is intended to prevent an application or service from executing code from a non-executable memory region. DEP的用意是为了防止应用程序或服务的执行代码从一个非可执行的内存区域。 DEP is enforced by hardware technology that detects code that is running from the default heap and the stack and raises an exception to terminate the process when execution occurs, and software-enforcer that prevent malicious code from taking advantage of exception-handling mechanisms in Windows. DEP的是所执行的硬件技术检测代码是运行从默认堆和栈，并提出一个例外终止时，执行过程中出现的，和软件的执行，防止恶意代码利用例外处理机制在Windows 。 In short, DEP perform additional checks on memory to prevent malicious code or exploits from running on the system by shut down the process once detected.在短期内，环保署署长执行额外的检查，对记忆，以防止恶意代码或利用从系统中运行的由关机过程中一旦发现。

However, Data Execution Prevention may accidentally shut down legitimate process from valid applications or services, particularly third-party installers used by software developers that release their products for download through the Web, or software programs that are less commonly used.然而，数据执行预防可能意外关闭合法的过程，从有效的应用程序或服务，尤其是第三党的安装工人所使用的软件开发商认为，释放他们的产品，通过下载网页，或软体程式较少常用的。 To make thing worse, DEP normally does not or fails to display or show any warning or information or acknowledgment message prompt that can let you know that DEP has shut down a process, thus causing you unaware of the reason why your setup file cannot run, or why your computer cannot start a service and etc.使事情更糟的是， DEP的一般不会或不显示或显示任何警告或资料，或承认的信息提示，可以让您知道的DEP已关闭一个过程，从而使你不知道的原因，您的安装文件不能运行，或为什么您的计算机无法启动服务等。

Good news is that you can disable or turn off Data Execution Prevention (DEP) globally in Windows Vista.好消息是，您可以禁用或关闭数据执行保护（ DEP ）在全球范围内的Windows Vista 。 To stop the DEP protection, launch an elevated command prompt shell with administrative priviledges and credentials (log on to Windows Vista with a user account with administrator rights, and then right click on Command Prompt icon and select “Run as Administrator, or停止DEP保护，推出一提升的命令提示符壳与行政特权和凭据（登录到Windows Vista与用户帐户具有管理员权限，然后按一下滑鼠右键命令提示符图标并选择“以管理员身份运行，或 turn off UAC关闭的UAC ). ） 。 Then execute the following command:然后执行以下命令：

bcdedit.exe /set {current} nx AlwaysOff bcdedit.exe /设置当前（ ） NX的alwaysoff

If you regret your decision and now wants to enable or turn back on the DEP protection for your Windows Vista, simply use the following command instead:如果你后悔你的决定，和现在要启用或回头对DEP保护，为您的Windows Vista ，只需使用下面的命令，而是：

bcdedit.exe /set {current} nx AlwaysOn bcdedit.exe /设置（ ） NX的目前还在AlwaysOn

IMPORTANT : This is a machine translated page which is provided "as is" without warranty. 重要说明 ：这是一个机器翻译网页是“按原样”提供的担保。 Machine translation may be difficult to understand.机器翻译可能很难理解。 Please refer to请参阅 original English article英文原版的文章 whenever possible.只要有可能。

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