title: "adb install" returns error: protocol fault (no status)
body: <p>I have created and ran a couple of android emulators, now I'd like to install application on them. Here is the story of me trying it a couple of times:</p>
  
  <pre><code>$ adb -s emulator-5562 install xxx.apk 
  * daemon not running. starting it now on port 5037 *
  * daemon started successfully *
  error: protocol fault (no status)
  - waiting for device -
  ^C
  $ adb devices
  * daemon not running. starting it now on port 5037 *
  * daemon started successfully *
  List of devices attached 
  emulator-5554   device
  emulator-5556   device
  emulator-5558   device
  emulator-5560   device
  emulator-5562   device
  $ adb -s emulator-5562 install xxx.apk 
  error: protocol fault (no status)
  - waiting for device -
  ^C
  $ killall adb
  $ killall adb
  adb: no process found
  $ adb -s emulator-5562 install xxx.apk 
  * daemon not running. starting it now on port 5037 *
  * daemon started successfully *
  3748 KB/s (766384 bytes in 0.199s)
      pkg: /data/local/tmp/xxx.apk &lt;- sometime it reaches upto here but it stays there for ever
  ^C
  </code></pre>
  
  <p>can you please help me what else I can do to check the problem?
  thank you</p>