Hi 金柱,
根据VS的错误信息,你可以参考下这个相似问题来清理下之前的安装缓存,再重新安装下。
你可以看下你电脑上是否有这个文件夹:%programfiles(x86)%\Microsoft Visual
Studio\Installer\resources\app\layout\InstallCleanup.exe,如果有的话以管理员身份运行CMD,并执行命令:InstallCleanup.exe –full
如果没有这个文件的话,就试着手动删除文件夹%programfiles(x86)%\Microsoft Visual Studio\Installer,然后以管理员身份重新运行VS2017的安装文件来安装。
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