$ adb shell am start -n "" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER Client not ready yet
<p>So, i just <strong> updated my Android Studio from 1.5.1 to 2.1 Preview 1 thru canary channel </strong>. Now when i was trying to run my app on my device then i had to face these errors.</p>

<p><code>
03/16 18:40:12: Launching app
$ adb push D:\Workspace\MyApplication\app\build\outputs\apk\app-debug.apk /data/local/tmp/com.shienh.myapplication
$ adb shell pm install -r "/data/local/tmp/com.shienh.myapplication"
Segmentation fault </p>

<p>$ adb shell am start -n "com.shienh.myapplication/com.shienh.myapplication.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Client not ready yet..
</code></p>

<p>What could be the reason for such an error.
And yes, app was not installed on device.</p>