Android : Win32Exception: ApplicationName='cmd', CommandLine='/Cecho "xxx" | openssl base64', CurrentDirectory='

I am using Latest Facebook sdk for unity,i imported package,when i click on Facebook setting,i am getting below error,

Win32Exception: ApplicationName='cmd', CommandLine='/Cecho "xxx" | openssl base64', CurrentDirectory='' System.Diagnostics.Process.Start_noshell (System.Diagnostics.ProcessStartInfo startInfo, System.Diagnostics.Process process) System.Diagnostics.Process.Start_common (System.Diagnostics.ProcessStartInfo startInfo, System.Diagnostics.Process process) System.Diagnostics.Process.Start () (wrapper remoting-invoke-with-check) System.Diagnostics.Process:Start () UnityEditor.FacebookEditor.FacebookAndroidUtil.DoesCommandExist (System.String command) (at Assets/Facebook/Editor/android/FacebookAndroidUtil.cs:134) UnityEditor.FacebookEditor.FacebookAndroidUtil.get_DebugKeyHash () (at Assets/Facebook/Editor/android/FacebookAndroidUtil.cs:41) UnityEditor.FacebookEditor.FacebookAndroidUtil.IsSetupProperly () (at Assets/Facebook/Editor/android/FacebookAndroidUtil.cs:22) FacebookSettingsEditor.AndroidUtilGUI () (at Assets/Facebook/Editor/FacebookSettingsEditor.cs:142) FacebookSettingsEditor.OnInspectorGUI () (at Assets/Facebook/Editor/FacebookSettingsEditor.cs:42) UnityEditor.InspectorWindow.DrawEditors (Boolean isRepaintEvent, UnityEditor.Editor[] editors, Boolean eyeDropperDirty) (at C:/BuildAgent/work/d3d49558e4d408f4/Editor/Mono/Inspector/InspectorWindow.cs:850) UnityEditor.DockArea:OnGUI()

-- Solved Adding in Enviroment variable "C:\Windows\System32" example:

Path = C:\Windows\System32;C:\Program Files\Java\jdk1.7.0_51\bin;C:\OpenSSL\bin

--I tried above path,i am using 32-bit, --I am noting what problem in Environment setting..

--can you check ![enter image description here][1]attached image..my ENV setup..

--Please Reply ..

Thanks, Adisheshu.