Impossible d'intaller directX 11

Bonjour, pour mon jeux cod5 je doit installer directx 11, mais celui ci ne veut pas s'installer et me mais un message d'erreur comme quoi une erreur c'est produit j'ai regardé dans le log et voilà le rapport :
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[06/05/10 15:26:46] module: DSETUP(May 30 2008), file: dsetup.c, line: 191, function: GetRegistryDXVersion

Failed API: RegOpenKeyEx()
Error: (2) - Le fichier spécifié est introuvable.



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[06/05/10 15:26:47] module: dsetup32(May 30 2008), file: setup.cpp, line: 1290, function: CSetup::SetupForDirectX

Failed API: RegOpenKeyEx()
Error: (2) - Le fichier spécifié est introuvable.



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[06/05/10 15:26:58] module: dxupdate(May 30 2008), file: dxupdate.cpp, line: 175, function: GetDXVersion

Failed API: RegOpenKeyEx()
Error: (2) - Le fichier spécifié est introuvable.



Current DirectX may be a older version which does not have directx key in the registry.

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[06/05/10 15:26:58] module: dxupdate(May 30 2008), file: dxupdate.cpp, line: 4751, function: DirectXUpdateGetSetupInformation

GetDXVersion() failed.

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[06/05/10 15:26:58] module: dsetup32(May 30 2008), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn

DirectXUpdateInstallPlugIn() failed.

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[06/05/10 15:26:58] module: dsetup32(May 30 2008), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX

InstallPlugIn() failed.

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[06/05/10 15:31:11] module: dxupdate(May 30 2008), file: dxupdate.cpp, line: 189, function: GetDXVersion

Failed API: RegQueryValueEx()
Error: (2) - Le fichier spécifié est introuvable.



Current DirectX may be a older version which does not have the version value in the registry.

--------------------
[06/05/10 15:31:11] module: dxupdate(May 30 2008), file: dxupdate.cpp, line: 4751, function: DirectXUpdateGetSetupInformation

GetDXVersion() failed.

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[06/05/10 15:31:11] module: dsetup32(May 30 2008), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn

DirectXUpdateInstallPlugIn() failed.

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[06/05/10 15:31:11] module: dsetup32(May 30 2008), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX

InstallPlugIn() failed.

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[06/05/10 19:31:07] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 189, function: GetDXVersion

Failed API: RegQueryValueEx()
Error: (2) - Le fichier spécifié est introuvable.



Current DirectX may be a older version which does not have the version value in the registry.

--------------------
[06/05/10 19:31:07] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 4751, function: DirectXUpdateGetSetupInformation

GetDXVersion() failed.

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[06/05/10 19:31:07] module: dsetup32(Feb 4 2010), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn

DirectXUpdateInstallPlugIn() failed.

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[06/05/10 19:31:07] module: dsetup32(Feb 4 2010), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX

InstallPlugIn() failed.

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[06/06/10 11:07:43] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 189, function: GetDXVersion

Failed API: RegQueryValueEx()
Error: (2) - Le fichier spécifié est introuvable.



Current DirectX may be a older version which does not have the version value in the registry.

--------------------
[06/06/10 11:07:43] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 4751, function: DirectXUpdateGetSetupInformation

GetDXVersion() failed.

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[06/06/10 11:07:43] module: dsetup32(Feb 4 2010), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn

DirectXUpdateInstallPlugIn() failed.

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[06/06/10 11:07:43] module: dsetup32(Feb 4 2010), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX

InstallPlugIn() failed.

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[06/06/10 11:09:53] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 189, function: GetDXVersion

Failed API: RegQueryValueEx()
Error: (2) - Le fichier spécifié est introuvable.



Current DirectX may be a older version which does not have the version value in the registry.

--------------------
[06/06/10 11:09:53] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 4751, function: DirectXUpdateGetSetupInformation

GetDXVersion() failed.

--------------------
[06/06/10 11:09:53] module: dsetup32(Feb 4 2010), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn

DirectXUpdateInstallPlugIn() failed.

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[06/06/10 11:09:53] module: dsetup32(Feb 4 2010), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX

InstallPlugIn() failed.

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[06/06/10 11:11:20] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 189, function: GetDXVersion

Failed API: RegQueryValueEx()
Error: (2) - Le fichier spécifié est introuvable.



Current DirectX may be a older version which does not have the version value in the registry.

--------------------
[06/06/10 11:11:20] module: dxupdate(Feb 4 2010), file: dxupdate.cpp, line: 4751, function: DirectXUpdateGetSetupInformation

GetDXVersion() failed.

--------------------
[06/06/10 11:11:20] module: dsetup32(Feb 4 2010), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn

DirectXUpdateInstallPlugIn() failed.

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[06/06/10 11:11:20] module: dsetup32(Feb 4 2010), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX

InstallPlugIn() failed.