Impossible d'installer net framework 4.0

Bonjour,

Je n'arrive pas à installer microsoft net framework 4.0, j'ai plusieurs applications qui demandent l'installation pour fonctionner.

J'ai désinstaller la version installer sur mon poste (ainsi que la version profile) mais ca ne me marche tjs pas.

Je suis en Windows 7. Merci d'avance pr votre aide.

J'ai le résultat suivant :

OS Version = 6.1.7601, Platform 2, Service Pack 1
OS Description = Windows 7 - x64 Home Premium Edition Service Pack 1
CommandLine = C:\257777b04a96cf4601118bfdb116\\Setup.exe /x86 /x64 /ia64 /web
TimeZone = Paris, Madrid (heure d'été)
Initial LCID = 1033
Using Simultaneous Download and Install mechanism
Operation: Installing
Package Name = Microsoft .NET Framework 4 Client Profile Setup
Package Version = 4.0.30319
User Experience Data Collection Policy: AlwaysUploaded
Number of applicable items: 10
Exe (C:\257777b04a96cf4601118bfdb116\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
ServiceControl operation succeeded!
ServiceControl operation succeeded!
Exe (C:\Users\Nico\AppData\Local\Temp\Microsoft .NET Framework 4 Client Profile Setup_4.0.30319\Windows6.1-KB958488-v6001-x64.msu) failed with 0x240006 - (null).
Exe (C:\257777b04a96cf4601118bfdb116\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
MSI (C:\Users\Nico\AppData\Local\Temp\Microsoft .NET Framework 4 Client Profile Setup_4.0.30319\netfx_Core_x64.msi) Installation failed. Msi Log: Microsoft .NET Framework 4 Client Profile Setup_20120702_224523461-MSI_netfx_Core_x64.msi.txt
Final Result: Installation failed with error code: (0x80070643), "Erreur irrécupérable lors de l'installation. " (Elapsed time: 0 00:02:39).