SQL Server 2014 installation freezes

Hello,

I'm trying to install SQL Server 2014 from the CD provided through my MSDN subscription.

I launch the wizard, which completes all steps until the "Installation Progress" step (the one before last) .

In this step, the program freezes at the following action: "Install_sql_common_core_Cpu64_Action : Write_NativeImages_64 : Generating Native Images".

Help ! What should I do ??

Thanks