Fix Application Programs Cannot or Unable to Set Associations for Supported File Extensions Problem in Vista修复应用程序不能或无法设置协会支持的文件扩展名的问题在Vista
Some application programs, especially some older version of software may not be able to or cannot properly一些应用程序，特别是一些旧版本的软件可能无法或不能正确 set file associations设置文件关联 for the file extensions that the programs supported in Windows Vista.的文件扩展名的程序支持Windows Vista中。 Some example of such programs include ACDSee, Nero, TTPlayer, foobar2000 and etc.一些例子，这些项目包括此外， ACDSee ，尼禄， TTPlayer ， foobar2000等
The unable or cannot register or set file associations correctly in Windows Vista problem is caused by the UAC (User Account Control) security feature.在无法或不能登记或设置文件关联正确在Windows Vista的问题是所造成的UAC （用户帐户控制）的安全功能。 UAC prevents any program or process from accessing, modifying, changing or editing the protected system registry, if the the program or process is running in low privilege or low priority mode without full administrator privilege, which has been suppressed by UAC. UAC功能防止任何程序或进程的访问，修改，改变或修改系统注册表的保护，如果该程序或进程正在运行在低特权或低优先级模式没有充分的管理员特权，一直压制的UAC 。
Some error message that may be prompted including “An error occured while changing file type associations.一些错误信息，可能会提示，包括“时发生错误改变文件类型关联。 If you are using a limited account, please contact your system administrator.”如果您使用的是有限的帐户，请与系统管理员联系。 “
The UAC restriction can cause file type and file extension association to fail during the setup installation process, and also when user attempt to registry the file association from within the program itself, it the setup installer or the program is not running explicitly in high priority elevation mode with full administrator privileges.在UAC功能的限制可能会导致文件类型和文件扩展名关联失败在安装过程中安装，也当用户试图登录的文件关联从程序本身，它的安装或安装程序没有运行中明确海拔高度重视模式，充分管理员权限。 Thus, after attempting to associate file type of some file extensions such as .JPG to third party image editor, the JPEG image will still be opened by default Windows tool such as Windows Photo Gallery.因此，在试图联系档案类型的一些文件扩展名，如。 JPG格式的第三方图像编辑器，在JPEG图像仍然会开幕默认的Windows工具，如Windows照片库。
Thus, to fix the file association error by some programs, there are two workarounds.因此，修复文件关联错误的一些程序，有两种方法。 First resolution is to run the program (or the setup installer if file association is done during installation process) in high level priority elevated mode with no UAC restriction.第一项决议是运行程序（或安装，如果安装文件关联是在安装过程中）的高度重视提升模式，没有限制的UAC 。 To do so, right click on the program shortcut or program executable, then click on Run as Administrator .为了做到这一点，右击该程序的快捷方式或程序可执行文件，然后按一下以管理员身份运行 。 Second solution is of course, to第二个解决办法当然是，以 disable and turn off UAC禁用和关闭UAC功能 once and for all.一劳永逸的。
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