Prblm d'install ie7

Bonjour !!
ça fait deux jours que Windows affiche une demande emmerdeuse pour installer Internet Explorer 7 , or celui ci ne veut pas s'installer bien qu'avant le formatage du pc je l'avais sur le mm pc

SVP voici le log aidez moi a trouver le problem , la mise a jour ne veut pas s'en aller

[ie7.log]
0.609: ================================================================================
0.609: 2008/12/03 23:01:24.296 (local)
0.609: c:\785e3b96d314615f3f\update\update.exe (version 6.2.29.0)
0.687: Failed To Enable SE_SHUTDOWN_PRIVILEGE
0.687: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
0.750: IECUSTOM: Scanning for proper registry permissions...
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
2.218: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.984: IECUSTOM: Scanning for proper registry permissions...
4.296: IECUSTOM: Scanning for proper registry permissions...
4.906: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.171: IECUSTOM: Backing up registry permissions...
5.234: IECUSTOM: Finished backing up registry permissions...
5.234: IECUSTOM: Setting new registry permissions...
5.265: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.265: IECUSTOM: Finished setting new registry permissions...
5.265: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
5.265: DoInstallation: CustomizeCall Failed: 0x3f5
5.281: IECUSTOM: Restoring registry permissions...
6.140: IECUSTOM: Finished restoring registry permissions...
6.171: Impossible d'écrire la clé du Registre de configuration.
6.171: L'installation du Internet Explorer 7 ne s'est pas terminée.
6.171: Update.exe extended error code = 0x3f5
0.375: ================================================================================
0.391: 2008/12/04 11:25:40.421 (local)
0.391: c:\8628a3ff22ff03be8bcc4672eb30e2\update\update.exe (version 6.2.29.0)
0.407: Failed To Enable SE_SHUTDOWN_PRIVILEGE
0.422: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
0.422: IECUSTOM: Scanning for proper registry permissions...
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.063: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.500: IECUSTOM: Scanning for proper registry permissions...
1.813: IECUSTOM: Scanning for proper registry permissions...
2.203: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.282: IECUSTOM: Backing up registry permissions...
2.407: IECUSTOM: Finished backing up registry permissions...
2.407: IECUSTOM: Setting new registry permissions...
2.422: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.422: IECUSTOM: Finished setting new registry permissions...
2.422: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
2.422: DoInstallation: CustomizeCall Failed: 0x3f5
2.438: IECUSTOM: Restoring registry permissions...
2.453: IECUSTOM: Finished restoring registry permissions...
2.485: Impossible d'écrire la clé du Registre de configuration.
2.485: L'installation du Internet Explorer 7 ne s'est pas terminée.
2.485: Update.exe extended error code = 0x3f5
0.625: ================================================================================
0.656: 2008/12/04 15:32:37.718 (local)
0.656: c:\56b26c6487ecfc845ca4bc97093af8\update\update.exe (version 6.2.29.0)
0.765: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
0.828: IECUSTOM: Scanning for proper registry permissions...
1.515: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.515: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
1.515: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.515: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
1.515: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.515: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.984: IECUSTOM: Scanning for proper registry permissions...
2.312: IECUSTOM: Scanning for proper registry permissions...
2.687: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.796: IECUSTOM: Backing up registry permissions...
2.921: IECUSTOM: Finished backing up registry permissions...
2.921: IECUSTOM: Setting new registry permissions...
2.937: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.937: IECUSTOM: Finished setting new registry permissions...
2.937: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
2.937: DoInstallation: CustomizeCall Failed: 0x3f5
2.953: IECUSTOM: Restoring registry permissions...
2.968: IECUSTOM: Finished restoring registry permissions...
2.984: Impossible d'écrire la clé du Registre de configuration.
3.000: L'installation du Internet Explorer 7 ne s'est pas terminée.
3.000: Update.exe extended error code = 0x3f5
0.609: ================================================================================
0.609: 2008/12/04 16:08:26.703 (local)
0.609: c:\9fbc8c25348d6b0e9e79bce64bdfe124\update\update.exe (version 6.2.29.0)
0.703: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
0.765: IECUSTOM: Scanning for proper registry permissions...
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.437: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.890: IECUSTOM: Scanning for proper registry permissions...
2.219: IECUSTOM: Scanning for proper registry permissions...
2.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.703: IECUSTOM: Backing up registry permissions...
2.750: IECUSTOM: Finished backing up registry permissions...
2.750: IECUSTOM: Setting new registry permissions...
2.765: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.765: IECUSTOM: Finished setting new registry permissions...
2.765: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
2.765: DoInstallation: CustomizeCall Failed: 0x3f5
2.781: IECUSTOM: Restoring registry permissions...
2.812: IECUSTOM: Finished restoring registry permissions...
2.859: Impossible d'écrire la clé du Registre de configuration.
2.906: L'installation du Internet Explorer 7 ne s'est pas terminée.
2.906: Update.exe extended error code = 0x3f5
1.703: ================================================================================
1.891: 2008/12/08 00:48:25.375 (local)
1.891: c:\1ee44a852afb29cd43f97ec38581c7\update\update.exe (version 6.2.29.0)
2.047: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
2.516: IECUSTOM: Scanning for proper registry permissions...
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
3.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.828: IECUSTOM: Scanning for proper registry permissions...
4.125: IECUSTOM: Scanning for proper registry permissions...
4.500: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.594: IECUSTOM: Backing up registry permissions...
4.688: IECUSTOM: Finished backing up registry permissions...
4.688: IECUSTOM: Setting new registry permissions...
4.688: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.688: IECUSTOM: Finished setting new registry permissions...
4.688: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
4.688: DoInstallation: CustomizeCall Failed: 0x3f5
4.719: IECUSTOM: Restoring registry permissions...
4.750: IECUSTOM: Finished restoring registry permissions...
4.797: Impossible d'écrire la clé du Registre de configuration.
4.828: L'installation du Internet Explorer 7 ne s'est pas terminée.
4.828: Update.exe extended error code = 0x3f5
0.656: ================================================================================
0.671: 2008/12/08 09:33:48.640 (local)
0.671: c:\61d2cc9e9a09d6b8f494\update\update.exe (version 6.2.29.0)
0.734: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
0.812: IECUSTOM: Scanning for proper registry permissions...
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
1.531: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.000: IECUSTOM: Scanning for proper registry permissions...
2.312: IECUSTOM: Scanning for proper registry permissions...
2.703: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
2.812: IECUSTOM: Backing up registry permissions...
3.078: IECUSTOM: Finished backing up registry permissions...
3.078: IECUSTOM: Setting new registry permissions...
3.140: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.140: IECUSTOM: Finished setting new registry permissions...
3.140: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
3.140: DoInstallation: CustomizeCall Failed: 0x3f5
3.156: IECUSTOM: Restoring registry permissions...
3.171: IECUSTOM: Finished restoring registry permissions...
3.187: Impossible d'écrire la clé du Registre de configuration.
3.281: L'installation du Internet Explorer 7 ne s'est pas terminée.
3.281: Update.exe extended error code = 0x3f5