IOS Simulator cannot find sdk and the simulated application quit errors

Question

I have been having this Xcode problem for a couple of months where my iOS simulator stops working whenever i run any application on Xcode and says, \"The simulated application q

Answer 1

This just happened to me. I tried to launch with iPhone 5.1 Simulator, got the error "iOS Simulator could not find the SDK. The SDK may need to be reinstalled." I tried running iPad 5.1 Sim, which worked. I switched to non-retina iPad. Then I tried running iPhone 5.1 Simulator again, and it worked.