安装程序失败|哈希值不正确 [英] Installer Failed | Hash value is incorrect

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错误代码"-2146889721"通常表示哈希值不正确，可能与安装程序损坏或安装程序下载失败有关， 请尝试以下操作:

The error code ‘-2146889721’ often means the hash value is not correct, it may be related with the installer is corrupt or the installer download failed, please try the following:

1.清理您的％temp％文件夹，它是用于存储临时文件的文件夹

2.如果防病毒软件阻止了安装程序或下载，请关闭防病毒软件

3.仔细检查网络是否正常

4.尝试下载Windows 10 SDK的独立安装程序: https://developer.microsoft.com/zh-cn/windows/downloads/windows-10-sdk 并将其用于安装程序，然后重新运行VS安装程序

4. Try to download a standalone installer of windows 10 SDK: https://developer.microsoft.com/en-us/windows/downloads/windows-10-sdk and use it to installer, then re-run the VS installer

5.清理先前的安装程序存储文件夹，然后从以下位置下载更新版本2的VS Professional 2015的运行状况良好的ISO:

5. clean the previous installer store folder, then download a healthy ISO of VS Professional 2015 with update 2 from: https://www.visualstudio.com/downloads/download-visual-studio-vs and store in a new and empty folder , after download use the FCIV.exe tool http://blogs.msdn.com/b/heaths/archive/2011/03/25/verify-the-iso-checksum-for-visual-studio-2010-service-pack-1-before-installing.aspxto validate the SHA-1 value of the ISO file, the expected values can find from: https://www.visualstudio.com/en-us/downloads/visual-studio-2015-iso-sha1-vs.aspx . Only this 2 values are the same, that means the ISO file is integrity and you can use it re-install.

如果问题仍然存在，我需要VS安装日志的帮助.请用 http://aka. ms/vscollect 收集安装日志.使用它之后，您将在％temp％文件夹下找到vslogs.zip.请将文件上传到 https://onedrive .live.com/ 并在此处共享链接.

If the issue still persists, I need your help to the VS installation log. Please use http://aka.ms/vscollect to gather the installation logs. After using it, you will find vslogs.zip under %temp% folder. Please upload the file to https://onedrive.live.com/ and share the link here.

最好的问候，

Sara

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