你好，
大概VS装坏了，试试用原来的安装盘修复，如果没有安装盘建议你去下载一个ISO的安装包，那那个安装包来修复。
或者另外一种可能是.NET坏了，因为Winform和WPF都是依赖于.NET的，你也可以修复下.NET
Barry
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