你好，
我们可能需要收集详细的log才能更好的分析这个问题。
如果安装失败的话，可以使用 http://aka.ms/vscollect
收集安装日志，双击运行以后，会在临时文件夹%temp%中找到vslogs.cab文件。你可以把日志文件上传到https://skydrive.live.com/，然后把链接地址贴到你的回复中。
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