Win32Exception: ApplicationName='cmd', CommandLine='/Cecho "xxx" | openssl base64', CurrentDirectory='', Native error= %1 is not a valid Win32 application.

[xk0fe]

Checklist

• [x] I've updated to the latest released version of the SDK
• [x] I've searched for existing GitHub issues
• [x] I've looked for existing answers on Stack Overflow, the Facebook Developer Community Forum and the Facebook Developers Group
• [x] I've read the Code of Conduct
• [x] This issue is not security related and can safely be disclosed publicly on GitHub

Environment

Describe your dev environment here, giving as many details as possible. If you have them, make sure to include:

• Unity Editor Version: 2019.1.2f1
• Unity SDK Version: 7.19.X
• Installation Platform & Verison: Android version 10
• Editor: Windows 10 version 2004

Goals

I want to Build & Run Unity application to my connected Android device.

Expected Results

Build successfully installs on device.

Actual Results

Getting error: Win32Exception: ApplicationName='cmd', CommandLine='/Cecho "xxx" | openssl base64', CurrentDirectory='', Native error= %1 is not a valid Win32 application.

System.Diagnostics.Process.StartWithCreateProcess (System.Diagnostics.ProcessStartInfo startInfo) (at <525dc68fbe6640f483d9939a51075a29>:0) System.Diagnostics.Process.Start () (at <525dc68fbe6640f483d9939a51075a29>:0) (wrapper remoting-invoke-with-check) System.Diagnostics.Process.Start() Facebook.Unity.Editor.FacebookAndroidUtil.DoesCommandExist (System.String command) (at <e162490a41264efaaf3cbe47ecfef26e>:0) Facebook.Unity.Editor.FacebookAndroidUtil.get_DebugKeyHash () (at <e162490a41264efaaf3cbe47ecfef26e>:0) Facebook.Unity.Editor.FacebookAndroidUtil.get_SetupProperly () (at <e162490a41264efaaf3cbe47ecfef26e>:0) Facebook.Unity.Editor.XCodePostProcess.OnPostProcessBuild (UnityEditor.BuildTarget target, System.String path) (at <e162490a41264efaaf3cbe47ecfef26e>:0) System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <fb001e01371b4adca20013e0ac763896>:0) Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation. System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <fb001e01371b4adca20013e0ac763896>:0) System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at <fb001e01371b4adca20013e0ac763896>:0) UnityEditor.Build.BuildPipelineInterfaces+AttributeCallbackWrapper.OnPostprocessBuild (UnityEditor.Build.Reporting.BuildReport report) (at <d1bec46880064709a5e713ad543e6d96>:0) UnityEditor.Build.BuildPipelineInterfaces+<>c__DisplayClass17_0.<OnBuildPostProcess>b__1 (UnityEditor.Build.IPostprocessBuildWithReport bpp) (at <d1bec46880064709a5e713ad543e6d96>:0) UnityEditor.Build.BuildPipelineInterfaces.InvokeCallbackInterfacesPair[T1,T2] (System.Collections.Generic.List1[T] oneInterfaces, System.Action1[T] invocationOne, System.Collections.Generic.List1[T] twoInterfaces, System.Action1[T] invocationTwo, System.Boolean exitOnFailure) (at <d1bec46880064709a5e713ad543e6d96>:0) UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)

Steps to Reproduce

1) Install Facebook SDK 2) Connect Android device to Unity 3) Select device in Build Settings 4) Select and press Build & Run in Build Settings

Code Samples & Details

It's a pretty rare problem, since we've got it only on two machines out of ten.

[Thundernerd]

A tip for WIndows users: run where cmd in a command prompt window to see if there are any other executables named cmd. I had this issue and in my case I had devkitPro installed (msys2) which was the issue for me.