Probleme d'installation framwork 2 ou 3

Bonjour,
j'installe tuner pinnacle sur mon pc et pour le faire fonctionner il faut installer framwork 2 ou 3 ,que je telecharge sur le site microsoft ,a chaque fois il me donne lors de l'installation l'erreur 25007
[09/30/08,21:40:09] Microsoft .NET Framework 2.0: [2] Error: Installation failed for component Microsoft .NET Framework 2.0. MSI returned error code 1603
[09/30/08,21:40:21] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0 is not installed.
[09/30/08,21:40:22] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
[09/30/08,21:43:31] Microsoft .NET Framework 2.0: [2] Error: Installation failed for component Microsoft .NET Framework 2.0. MSI returned error code 1603
[09/30/08,21:43:42] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0 is not installed.
[09/30/08,21:43:42] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
[09/30/08,22:46:57] Microsoft .NET Framework 2.0: [2] Error: Installation failed for component Microsoft .NET Framework 2.0. MSI returned error code 1603
[09/30/08,22:47:09] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0 is not installed.
[09/30/08,22:47:09] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
[09/30/08,22:55:23] Microsoft .NET Framework 2.0: [2] Error: Installation failed for component Microsoft .NET Framework 2.0. MSI returned error code 1603
[09/30/08,22:55:40] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0 is not installed.
[09/30/08,22:55:40] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
[09/30/08,23:25:57] Microsoft .NET Framework 2.0: [2] Error: Installation failed for component Microsoft .NET Framework 2.0. MSI returned error code 1603
[09/30/08,23:26:08] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0 is not installed.
[09/30/08,23:26:08] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 was not attempted to be installed.
merci de m'en dire +