Possible Duplicate:
xCode Cannot Run on the Selected Destination
I got strange issue that while I am running my project I got a popup warning Cannot run on the selected destination like this below image:

I am trying to set my Architectures from Build Settings like:

But I can not fix it.
Please guide me how to solve this strange issue.
Xcode 4.5 dropped support for armv6 binaries, it can only generate armv7 and armv7s binaries, so make sure that you are trying to run your App on an armv7 device (ie everything >= iPhone 3GS)