I\'m starting to use Instruments-Leaks with an iPhone 3G. When I try to run the app with Instruments on the iPhone I obtain
Target failed to run: Remote exce
The solution for me was to make sure that my Profile scheme was using the "debug" and not "release" build configuration.
In Xcode 4 select Product/Edit Scheme from the top menu then click on the "profile" button on the left. On the "info" pane you will see a setting for Build Configuration- set that to "debug"