Installation Log --------------------- OS Version = 6.1.7601, SP = 1.0, Platform 2, Service Pack 1 OS Description = Win7 - x64 Service Pack 1 MSI = 5.0.7601.23593 Windows version = amd64_windowsfoundation_31bf3856ad364e35_6.1.7601.17514_none_615fdfe2a739474c.manifest Windows servicing = 6.1.7601.23505 CommandLine = "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.02053\\Setup.exe" /repair /x86 /x64 TimeZone = Paris, Madrid Initial LCID = 1036 Using Simultaneous Download and Install mechanism Operation: Repairing Package Name = Microsoft .NET Framework 4.7 Setup Package Version = 4.7.02053 User Experience Data Collection Policy: Disabled Number of applicable items: 5 Exe (C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.02053\SetupUtility.exe) succeeded. Exe Log File: dd_SetupUtility.txt MSI (C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.02053\netfx_Full_x64.msi) repair operation failed. Msi Log: Microsoft .NET Framework 4.7 Setup_20180119_183034682-MSI_netfx_Full_x64.msi.txt Final Result: Installation failed with error code: (0x80070643), "Erreur irrécupérable lors de l’installation. " (Elapsed time: 0 00:00:24).