輾轉無數論壇,感謝http://bbs.csdn.net/topics/390992746
microsoft官方文檔:
https://blogs.msdn.microsoft.com/webdev/2014/11/11/dialog-box-may-be-displayed-to-users-when-opening-projects-in-microsoft-visual-studio-after-installation-of-microsoft-net-framework-4-6/
下載安裝VS11-KB3002339.exe補丁成功解決。