Microsoft .NET Framework 4.7.1 (x86 and x64) en Administrator permissions are required to install Microsoft .NET Framework 4.7.1. Contact your administrator. Installation of the Microsoft .NET Framework 4.7.1 is not supported on this operating system. Contact your application vendor. This version of the Microsoft .NET Framework 4.7.1 is not supported on an IA-64 operating system. Contact your application vendor. http://go.microsoft.com/fwlink/?LinkId=852092&clcid=0x409 A failure occurred attempting to install the Microsoft .NET Framework 4.7.1.