https://docs.microsoft.com/en-us/dotnet/framework/install/repair Aug 2, 2017 ...NET Framework installation can become damaged and require repairs. This
might be the case if your app crashes right after you try to start it or ...
https://support.microsoft.com/.../how-to-repair-an-existing-installation-of-the-net-framework 2018年4月17日 ... You may need to repair your installation of the .NET Framework if you upgrade
your operating system or if the current installation of the .
