Install the .NET Framework developer pack or redistributable - .NET Framework | Microsoft Learn
COMException occurs in WPF applications - .NET Framework | Microsoft Learn
COMException occurs in WPF applications - .NET Framework | Microsoft Learn
The .NET Framework 4.7 installation is blocked on Windows 7, Windows Server 2008 R2, and Windows Server 2012 because of a missing d3dcompiler update - Microsoft Support
NET Framework 4.7 Offline and Online installer - gHacks Tech News