ASP.NET 4.7.1 - The type 'Enum' is defined in an assembly that is not referenced · Issue #504 · dotnet/standard · GitHub
Error Microsoft.NET\Framework\v4.0.30319\mscoreei.dll - Microsoft Community
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c:\\windows\microsoft.net\framework\4.0.30319& - Microsoft Community
Manually fix Microsoft .NET Framework errors
SOLVED: Command Line Uninstall, Reinstall, Repair .NET Framework | Up & Running Technologies, Tech How To's
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How to fix NETframework v. 4.0.30319 Error. Tutorial in Hindi - YouTube
Unable to access VSA Login page with error message "Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'." – Kaseya
playonlinux - How to install .NET framework v4.0.30319 on wine? - Ask Ubuntu
Net framework 4.0.30319 not installing in Windows 8.1 - Microsoft Community