Throwing error while capturing screenshot from UI automator viewer

Issues/Bugs
1

Error while obtaining UI hierarchy XML file: com.android.ddmlib.shellCommandUnreponsive Exception

Details: Error while obtaining UI hierarchy XML file: com.android.ddmlib.ShellCommandUnresponsiveException
Error while obtaining UI hierarchy XML file: com.android.ddmlib.ShellCommandUnresponsiveException

Appium version: 1.6.5
windows OS 8.1
Thanks

uiautomator.PNG797×603 15.5 KB