If you try to open Aperture 2.0 – 2.1.3 on a computer running Mac OS X v10.6, you will see this dialog:
Source:Aperture: Aperture 2.1.4 is required for Mac OS X v10.6 Snow Leopard
If you try to open Aperture 2.0 – 2.1.3 on a computer running Mac OS X v10.6, you will see this dialog:
Source: