[2014-03-30 19:55:57 - ddmlib]An established connection was aborted by the software in your host machine
java.io.IOException: An established connection was aborted by the sof
First make sure you just have one instance of Eclipse running (No other instance of Eclipse or Studio running that is pointing to your same android SDK).
If above setup is correct try killing and restarting adb server by adb kill-server and then adb start-server
If even this does not work consider restarting your Eclipse or your machine.