On Nov 2, 2009, at 5:08 PM, Max Taylor wrote: > Guess what? That file is not on my system but 10.5 and 10.6 sdk > files are. > > Could this be an outcome of updating to 10.6 and downloading all new > developer files? Yes, this is SOP for Apple. Their basic approach is to provide support for the current OS ( 10.6 ) and the previous OS ( 10.5 ). Those with 10.4 should expect no OS updates from here forward. The developer support is similar but the user may request the older sdk ( as Robert pointed out ) Brian S