Xamarin problème d'Installation

Je suis en train d'installer Xamarin pour Android et je vais avoir un problème et je ne trouve pas de partout. Même, j'ai essayé de lancer l'installation en tant qu'Administrateur mais toujours la même erreur ne cessent d'apparaître :

C'est le Fichier Journal Error Part:

[2013-04-10 23:20:27.396] [Info] Installing an MSI
[2013-04-10 23:20:27.400] [Info] Database path: <USER_HOME>\Temp\Xamarin\downloads\mono-android-4.6.02001.msi
[2013-04-10 23:20:27.404] [Info] Starting MSI installation: msiexec /i "<USER_HOME>\Temp\Xamarin\downloads\mono-android-4.6.02001.msi" /quiet /passive /log "<USER_HOME>\Temp\tmp76AB.tmp" ADDLOCAL=MonoDroidSDK,VisualStudioAddin,VisualStudio11Addin
[2013-04-10 23:20:27.608] [Info] MSI installation process exited with code 1620
[2013-04-10 23:20:27.611] [Info] Status: failed.
[2013-04-10 23:20:27.615] [Info] InstallMsi failed for '<USER_HOME>\Temp\Xamarin\downloads\mono-android-4.6.02001.msi'
[2013-04-10 23:20:27.618] [Exception] Exception was thrown.
[2013-04-10 23:20:27.618] [Exception] System.InvalidOperationException: MSI execution failed.
[2013-04-10 23:20:27.618] [Exception] à Xamarin.Web.Installer.WindowsInstallationArchiveHandler.InstallMsi(String file, Boolean needsPrivileges)
[2013-04-10 23:20:27.621] [Info] BEGIN >>>>>> msiexec log: '<USER_HOME>\Temp\tmp76AB.tmp'
[2013-04-10 23:20:27.626] [Info] END >>>>>> msiexec log: '<USER_HOME>\Temp\tmp76AB.tmp'
[2013-04-10 23:20:27.629] [Info] Status: failed.
[2013-04-10 23:20:27.632] [Exception] Installation of software item 'Xamarin.Android for Visual Studio and Xamarin Studio' failed with exception.
[2013-04-10 23:20:27.632] [Exception] Xamarin.Web.Installer.InstallException: Installation of archive '<USER_HOME>\Temp\Xamarin\downloads\mono-android-4.6.02001.msi' failed with exception. ---> System.InvalidOperationException: MSI execution failed.
[2013-04-10 23:20:27.632] [Exception] à Xamarin.Web.Installer.WindowsInstallationArchiveHandler.InstallMsi(String file, Boolean needsPrivileges)
[2013-04-10 23:20:27.632] [Exception] à Xamarin.Web.Installer.Installer.InstallationArchiveHandler.Install(String path, Boolean needsPrivileges)
[2013-04-10 23:20:27.632] [Exception] --- Fin de la trace de la pile d'exception interne ---
[2013-04-10 23:20:27.632] [Exception] à Xamarin.Web.Installer.Installer.InstallationArchiveHandler.Install(String path, Boolean needsPrivileges)
[2013-04-10 23:20:27.632] [Exception] à Xamarin.Web.Installer.Installer.BaseSoftwareItem.Install(UInt32 tryNumber)
[2013-04-10 23:20:27.632] [Exception] à WindowsInstaller.ProgressPage.InstallationWorker()
[2013-04-10 23:20:27.635] [Info] Status: failed.
[2013-04-10 23:20:27.638] [Debug] Starting installation complete task.
[2013-04-10 23:20:27.641] [Info] Background installation worker completed.
[2013-04-10 23:20:27.644] [Info] Installation completed with failure
[2013-04-10 23:20:27.647] [Info] Status: failed.
InformationsquelleAutor Chlebta | 2013-04-10