安装visual studio 2017失败

Question

卸载了visual studio 2017，重新在线安装，提示无法下载安装文件，请检查网络连接，然后重试。明明网络是连接的。试了网上许多介绍的办法，都不行

Answer 1

你好：

从控制面板卸载visual studio 2017之后，删掉以下的文件夹：

• 打开%ProgramData%\Microsoft\VisualStudio， 删掉 ‘Packages’ 文件夹 和 ‘Setup’ 文件夹.

• 打开%ProgramFiles(x86)%\Microsoft Visual Studio，删掉‘2017’文件夹

然后从网站重新下载visual studio2017 安装，最好是右击安装包以管理员的身份来运行。

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Answer 2

不好意思，仍未解决问题

Answer 3

请问你的网络环境是普通的网络连接还是公司的局域网或者？

尝试下载其他版本的visual studio或者是其他软件，以及关闭电脑上的杀毒软件。

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Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. This can be beneficial to other community members reading this thread. If you have any compliments or complaints to MSDN Support, feel free to contact [e-mail].

Answer 4

我的网络环境是普通的网络连接，其他版本的visual studio也无法安装，关闭了电脑上的杀毒软件也没用

Answer 5

原因很有可能还是你的网络问题。

尝试从别的电脑下载一个visual studio 离线包，然后拷贝到你的电脑进行安装。

https://docs.microsoft.com/zh-cn/visualstudio/install/create-an-offline-installation-of-visual-studio

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Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. This can be beneficial to other community members reading this thread. If you have any compliments or complaints to MSDN Support, feel free to contact [e-mail].

Answer 6

先用安装程序强制卸载, 例子

D:\vs_ultimate.exe /uninstall /force
再制作离线安装包
For Visual Studio Enterprise, run:
vs_enterprise.exe --layout c:\vs2017offline
For Visual Studio Professional, run:
vs_professional.exe --layout c:\vs2017offline
For Visual Studio Community, run:
vs_community.exe --layout c:\vs2017offline
最后执行安装。

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