FrameWork 4

Bonjour,

Malgré de nombresue et longue recherche sur internet, depuis 1mois, je n'arrive toujours pas installer Microsoft .NET Framework 4.
Le log lors de l'installation:
OS Version = 6.1.7601, Platform 2, Service Pack 1
OS Description = Windows 7 - x64 Home Premium Edition Service Pack 1
CommandLine = E:\8a6aa3ac99b4b40896a27e\\Setup.exe /x86 /x64
TimeZone = Paris, Madrid (heure d'été)
Initial LCID = 1036
Using Simultaneous Download and Install mechanism
Operation: Installing
Package Name = Microsoft .NET Framework 4 Setup
Package Version = 4.0.30319
User Experience Data Collection Policy: AlwaysUploaded
Number of applicable items: 11
Exe (E:\8a6aa3ac99b4b40896a27e\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
ServiceControl operation succeeded!
ServiceControl operation succeeded!
Exe (E:\8a6aa3ac99b4b40896a27e\Windows6.1-KB958488-v6001-x64.msu) failed with 0x240006 - (null).
Exe (E:\8a6aa3ac99b4b40896a27e\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
MSI (E:\8a6aa3ac99b4b40896a27e\netfx_Core_x64.msi) Installation failed. Msi Log: Microsoft .NET Framework 4 Setup_20120528_004350369-MSI_netfx_Core_x64.msi.txt
Final Result: Installation failed with error code: (0x80070643), "Erreur irrécupérable lors de l'installation. " (Elapsed time: 0 00:00:34).

Merci de votre aide