1. Close all CountDown applications:
2. Open a CommandPrompt
3. type: cd \android-sdk-windows\platform-tools\ (Note: this will depend on the location of your android-sdk install location)
4. Type: "adb devices"
5. Does your device show up?
6. Does the serial number from adb devices match the serial number in the ini file that you are trying to connect with in CountDown?