您好，
请问你有没有打开windows update？之前遇到很多类似的问题大都是和Windwos update没有更新到最新。
所以你可以更新，重启，然后重新安装试试。
另外你也可以网页安装一下！
https://www.visualstudio.com/en-us/downloads/download-visual-studio-vs.aspx
希望能帮到你！
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