Unable to run app in Simulator: Xcode beta 6 iOS 8

ios xcode swift ios8
Hemant Chittora picture Hemant Chittora · Jun 4, 2014 · Viewed 87.6k times · Source

I am unable to launch my app on simulator using Xcode 6 beta and iPhone 5s simulator. First I am getting an error message from Simulator

"Unable to boot the iOS simulator"

and then after Xcode is showing me following error,

Unable to run app in Simulator
An error was encountered while running (Domain = DTiPhoneSimulatorErrorDomain, Code = 2)

Xcode Error

Answer

apascual picture apascual · Jun 6, 2014

I solved it following these steps:

  1. Open Xcode 6 beta
  2. Go to the menu Xcode > Open Developer Tool > iOS Simulator
  3. Even if an error dialog shows up, you still would have access to the iOS Simulator's menu
  4. Select Hardware > Device > Manage Devices
  5. Click on the little + sign at the bottom
  6. Add (if missing) all the devices that you want, or delete and recreate the ones malfunctioning.
  7. If anyone of the simulator is not working then right click on it and delete it and then re-create it again

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