Impossible installer IE 7

Bonjour,

impossible d'installer IE7 , l'installation ne se termine pas !

on dirait un problème de clé

merci de votre !!!!!

[ie7.log]
0.344: ================================================================================
0.344: 2008/07/24 11:34:02.765 (local)
0.344: g:\84ba367a9920b1b4e7a978cde7\update\update.exe (version 6.2.29.0)
0.391: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
4.031: IECUSTOM: Scanning for proper registry permissions...
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
4.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.875: IECUSTOM: Scanning for proper registry permissions...
6.188: IECUSTOM: Scanning for proper registry permissions...
6.625: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
6.797: IECUSTOM: Backing up registry permissions...
6.859: IECUSTOM: Finished backing up registry permissions...
6.859: IECUSTOM: Setting new registry permissions...
6.859: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
6.859: IECUSTOM: Finished setting new registry permissions...
6.859: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
6.859: DoInstallation: CustomizeCall Failed: 0x3f5
6.859: IECUSTOM: Restoring registry permissions...
6.875: IECUSTOM: Finished restoring registry permissions...
6.875: Impossible d'écrire la clé du Registre de configuration.
6.891: L'installation du Internet Explorer 7 ne s'est pas terminée.
6.891: Update.exe extended error code = 0x3f5
0.438: ================================================================================
0.438: 2008/07/24 11:47:18.562 (local)
0.438: g:\236fc40e8a1f29ae9e53e214\update\update.exe (version 6.2.29.0)
0.469: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
4.688: IECUSTOM: Scanning for proper registry permissions...
5.625: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
5.641: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
6.547: IECUSTOM: Scanning for proper registry permissions...
6.844: IECUSTOM: Scanning for proper registry permissions...
7.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
7.469: IECUSTOM: Backing up registry permissions...
7.516: IECUSTOM: Finished backing up registry permissions...
7.516: IECUSTOM: Setting new registry permissions...
7.516: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
7.516: IECUSTOM: Finished setting new registry permissions...
7.516: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
7.516: DoInstallation: CustomizeCall Failed: 0x3f5
7.516: IECUSTOM: Restoring registry permissions...
7.547: IECUSTOM: Finished restoring registry permissions...
7.547: Impossible d'écrire la clé du Registre de configuration.
7.547: L'installation du Internet Explorer 7 ne s'est pas terminée.
7.547: Update.exe extended error code = 0x3f5
0.391: ================================================================================
0.391: 2008/07/24 12:14:23.000 (local)
0.391: g:\f602fb592fa83e348dcf92ac8f3efc\update\update.exe (version 6.2.29.0)
0.422: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
3.375: IECUSTOM: Scanning for proper registry permissions...
4.297: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
4.312: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.219: IECUSTOM: Scanning for proper registry permissions...
5.516: IECUSTOM: Scanning for proper registry permissions...
5.953: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
6.125: IECUSTOM: Backing up registry permissions...
6.187: IECUSTOM: Finished backing up registry permissions...
6.187: IECUSTOM: Setting new registry permissions...
6.187: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
6.187: IECUSTOM: Finished setting new registry permissions...
6.187: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
6.187: DoInstallation: CustomizeCall Failed: 0x3f5
6.187: IECUSTOM: Restoring registry permissions...
6.219: IECUSTOM: Finished restoring registry permissions...
6.219: Impossible d'écrire la clé du Registre de configuration.
6.219: L'installation du Internet Explorer 7 ne s'est pas terminée.
6.219: Update.exe extended error code = 0x3f5
0.343: ================================================================================
0.359: 2008/07/24 12:25:29.187 (local)
0.359: g:\ef40963aa4a76cbb32c4ce8708697c5e\update\update.exe (version 6.2.29.0)
0.375: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
2.484: IECUSTOM: Scanning for proper registry permissions...
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
3.422: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.328: IECUSTOM: Scanning for proper registry permissions...
4.656: IECUSTOM: Scanning for proper registry permissions...
5.093: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.265: IECUSTOM: Backing up registry permissions...
5.297: IECUSTOM: Finished backing up registry permissions...
5.297: IECUSTOM: Setting new registry permissions...
5.297: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.297: IECUSTOM: Finished setting new registry permissions...
5.297: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
5.297: DoInstallation: CustomizeCall Failed: 0x3f5
5.297: IECUSTOM: Restoring registry permissions...
5.328: IECUSTOM: Finished restoring registry permissions...
5.328: Impossible d'écrire la clé du Registre de configuration.
5.328: L'installation du Internet Explorer 7 ne s'est pas terminée.
5.328: Update.exe extended error code = 0x3f5
0.391: ================================================================================
0.407: 2008/07/24 18:14:16.109 (local)
0.407: g:\3e465f35365eb2bc14df7651f77629\update\update.exe (version 6.2.29.0)
0.422: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
2.657: IECUSTOM: Scanning for proper registry permissions...
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\ProxyStubClsid32
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}\TypeLib
3.594: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
4.500: IECUSTOM: Scanning for proper registry permissions...
4.828: IECUSTOM: Scanning for proper registry permissions...
5.266: IECUSTOM: Unwriteable key HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.453: IECUSTOM: Backing up registry permissions...
5.485: IECUSTOM: Finished backing up registry permissions...
5.485: IECUSTOM: Setting new registry permissions...
5.516: IECUSTOM: Unable to clear DACLs HKCR\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D}
5.516: IECUSTOM: Finished setting new registry permissions...
5.516: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070534
5.516: DoInstallation: CustomizeCall Failed: 0x3f5
5.532: IECUSTOM: Restoring registry permissions...
5.547: IECUSTOM: Finished restoring registry permissions...
5.563: Impossible d'écrire la clé du Registre de configuration.
5.563: L'installation du Internet Explorer 7 ne s'est pas terminée.
5.563: Update.exe extended error code = 0x3f5

ci desous le récap de mes problèmes résolus (merci DllD)

http://www.commentcamarche.net/forum/affich 7531546 spyware

Configuration: Windows XP
Firefox 2.0.0.16