Emulator-5554 disconnected cancelling

emulator-5554 disconnected cancelling activity launch', emulator-5554 disconnected cancelling 'com.example.helloandroid.helloandroid activity launch', com.android.ddmlib.installexception eof, problema android emulator, avd slow, android emulator is slow, android eclipse emulator, android.util.androidexception can't connect to activity manager is the system running