How to Unassociate File Types and Remove File Extension Associations in Windows Vista如何unassociate文件类型和删除文件扩展协会在Windows Vista

Windows Vista has GUI (graphical user interface) for Windows Vista具有GUI （图形用户界面） editing, changing or setting file associations from various file types and protocols to open with a default program编辑，改变或设置文件协会从不同文件类型和协议，以开放与默认程序 . 。 However, it doesn’t provide a tool or utility to unassociate file types and remove file extension associations that already exists in the registry.不过，这并不提供一种工具或实用工具来unassociate文件类型和删除文件扩展协会业已存在的在注册表中。

Windows Vista does have two command link utilities that can be use to remove all file extension associations with its default program. Windows Vista中是否有两个命令链接公用事业可以使用删除所有文件扩展名协会与它的默认程序。 Here’s the guide on how to use the assoc and ftype commands to remove file type association of an extension.这里的指导，如何在互联网上使用的Assoc和ftype命令删除的文件类型协会延期。

Example removing .rar extension associated “to open “with winrar.exe例如删除。延长的RAR相关的“开放”与winrar.exe

1. Open an打开一 elevated command prompt with admistrator privileges提升的命令提示符与admistrator特权 . 。
2. Remove the file extension association from its assigned file type with the following command, follow by ENTER:删除的文件扩展名由协会及其指定的文件类型与下面的命令，后续由输入：

   assoc .ext= 副教授。分机=

   Replace .ext with the extension name that needs to be unassociated.取代。分机与扩展名必须无关。 For example, to disassociate WinRAR .rar extension, simply type assoc .rar = .例如，若要解除WinRAR的。延长的RAR ，只需键入副教授的RAR = 。

   Note that after disassociation of file extension from file type, the default program for the file type no longer been shown in the “Open With” list for the file extension.请注意，后disassociation的文件扩展名由文件类型，默认的程序文件类型，不再被证明在“打开”名单的文件扩展名。

3. Then, clear and delete the default program used for the open command when launching files of this type by typing the following command, and press ENTER:然后，明确和删除默认程序用于打开命令时，发射该类型的文件通过键入以下命令，并按下ENTER ：

   ftype FileType= ftype了filetype =

   Replace FileType with the actual name for the file type associated to the file extension to be removed from the system.取代了filetype与实际名称的文件类型相关联的文件扩展名必须由系统中移除。 For example, for WinRAR, type ftype WinRAR= .例如，对于WinRAR的，输入ftype WinRAR的= 。

   Note that if you don’t know what’s the correct “FileType” to type, simply type assoc (associated file type will be shown after the extension) or ftype to get a listing of all file types defined in the system.请注意，如果您不知道什么是正确的在“ filetype ”的类型，只需键入的Assoc （关联的文件类型将显示后，扩展部分）或ftype获得上市的所有档案类型的定义在系统。

After disassociation or unassociation of a file extension association, when user double clicks on the particular type of file, the dialog box will be prompted saying “This file does not have a program associated with it for performing this action.后disassociation或unassociation一个文件扩展名关联，当用户双击对特定类型的文件，该对话框会提示说： “这个文件并没有一个计划，与此相关，为履行这项行动。 Create an association in Set Associations control panel.” and user is forced to click the only OK button.建立一个协会在成立协会的控制面板“和用户是被迫按一下，只有确定按钮。 However, it’s possible to right click on the file, and choose Open With… option, then user can select a program from a list of install programs to open the file, and on the same time, set the correct and proper file association again.不过，它的可能右键点击该文件，并选择打开与…选项，然后用户可以选择一个程序从清单中的安装程序，打开该文件，并在同一时间，设置正确的和适当的文件关联再次。

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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