Am incercat sa instalez o versiune mai noua de Directx, dar da eroare.

Log-ul arata cam asa:
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[09/08/09 22:03:08] module: dxupdate(Mar 16 2009), file: dxupdate.cpp, line: 2223, function: RegisterDLL
Failed API: LoadLibraryEx()
Error: (0xc000001d)
Unable to load C:\WINDOWS\system32\xactengine3_0.dll.
--------------------
[09/08/09 22:03:09] module: dxupdate(Mar 16 2009), file: dxupdate.cpp, line: 5848, function: DirectXUpdateInstallPlugIn
RegisterDllFromSection() failed.
--------------------
[09/08/09 22:03:09] module: dsetup32(Mar 16 2009), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn
DirectXUpdateInstallPlugIn() failed.
--------------------
[09/08/09 22:03:09] module: dsetup32(Mar 16 2009), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX
InstallPlugIn() failed.
--------------------
[09/12/09 11:26:12] module: dxupdate(Sep 4 2009), file: dxupdate.cpp, line: 2223, function: RegisterDLL
Failed API: LoadLibraryEx()
Error: (0xc000001d)
Unable to load C:\WINDOWS\system32\xactengine3_0.dll.
--------------------
[09/12/09 11:26:12] module: dxupdate(Sep 4 2009), file: dxupdate.cpp, line: 5848, function: DirectXUpdateInstallPlugIn
RegisterDllFromSection() failed.
--------------------
[09/12/09 11:26:13] module: dsetup32(Sep 4 2009), file: dxupdate.cpp, line: 280, function: CSetup::InstallPlugIn
DirectXUpdateInstallPlugIn() failed.
--------------------
[09/12/09 11:26:13] module: dsetup32(Sep 4 2009), file: setup.cpp, line: 1701, function: CSetup::SetupForDirectX
InstallPlugIn() failed.
Din cate variante am incercat, doar cele din 2007 merg - urmatoarele nu.
Idei?
Multumesc.