Problems with new Bing speech recognition control

   in Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.WaitForCompletion(NestedCallContext nestedCallContext, BlockingCall call, WaitHandle timeoutSignal)   in Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalOutSynchronous(Action action, Int32 targetApartmentId, WaitHandle aborted, WaitHandle timeoutSignal)   in Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalOut(Action action, Int32 targetApartmentId, WaitHandle aborted, CallSynchronizationMode syncMode, WaitHandle timeoutSignal)   in Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut[TValue](RemoteHandle`1 targetObject, Action action, CallSynchronizationMode syncMode)   in Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut[TResult,TValue](RemoteHandle`1 targetObject, Func`2 func, CallSynchronizationMode syncMode)   in Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.CreateDesignerImpl(IHostSourceItem item, IHostTextEditor editor, RemoteCancellationToken remoteCancelToken)   in Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.<>c__DisplayClass12.<Microsoft.Expression.DesignHost.IDesignerService.CreateDesigner>b__11(RemoteCancellationToken remoteToken)   in Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.CallWithCancellation[TResult](CancellationToken cancelToken, Func`2 func)   in Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.Microsoft.Expression.DesignHost.IDesignerService.CreateDesigner(IHostSourceItem item, IHostTextEditor editor, CancellationToken cancelToken)   in Microsoft.Expression.DesignHost.IsolatedDesignerService.IsolatedDesignerView.CreateDesignerViewInfo(CancellationToken cancelToken)

Server stack trace:    at Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.WaitForCompletion(NestedCallContext nestedCallContext, BlockingCall call, WaitHandle timeoutSignal)   at Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalIn(Action action, Int32 targetApartmentId)   at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalIn(IRemoteObject targetObject, Action action)   at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalIn[TResult](IRemoteObject targetObject, Func`1 func)   at Microsoft.Expression.DesignHost.Isolation.Remoting.RemoteDesignerService.Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteDesignerService.CreateDesigner(IRemoteHostSourceItem remoteItem, IRemoteHostTextEditor remoteEditor, IRemoteCancellationToken remoteToken)   at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]& outArgs)   at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)Exception rethrown at [0]:    in System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)   in System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)   in Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteDesignerService.CreateDesigner(IRemoteHostSourceItem remoteItem, IRemoteHostTextEditor remoteEditor, IRemoteCancellationToken cancelToken)   in Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.<>c__DisplayClass8.<CreateDesignerImpl>b__6(IRemoteDesignerService d)   in Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.<>c__DisplayClass4`2.<MarshalOut>b__3()   in Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.Call.InvokeWorker()

   at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)   at System.Runtime.InteropServices.Marshal.ThrowExceptionForHR(Int32 errorCode)   at System.Reflection.Adds.NativeMethods.SafeOpenFile(String fileName)   at System.Reflection.Adds.FileMapping..ctor(String fileName)   at System.Reflection.Adds.MetadataDispenser.OpenFileAsFileMapping(String fileName)   at Microsoft.MetadataReader.Loader.LoadAssemblyFromFile(String file)   at Microsoft.Expression.Utility.WindowsRuntimeContext.LoadRuntimeAssemblyUsingReferenceType(String path)   at Microsoft.Expression.Utility.WindowsRuntimeContext.LoadRuntimeAssemblyFrom(String path)   at Microsoft.Expression.Utility.WindowsRuntimeContext.LoadFrom(String path)   at Microsoft.Expression.Utility.AssemblyHelper.LoadFrom(String path)   at Microsoft.Expression.DesignSurface.Assemblies.AssemblyService.ResolveInstalledAssembly(String path)   at Microsoft.Expression.DesignSurface.Assemblies.AssemblyService.ResolveAssembly(String assemblyPath, String assemblyFullName, String projectPath)   at Microsoft.Expression.DesignSurface.Assemblies.ProjectAssemblyResolver.GetAssemblyInformation(String path, String assemblyFullName)   at Microsoft.Expression.DesignSurface.Assemblies.ProjectAssemblyResolver.GetAssemblyInformation(IHostReferenceItem reference)   at Microsoft.Expression.DesignSurface.Assemblies.ProjectAssemblyResolver.UpdateAssemblyReferences(IEnumerable`1 referencesToUpdate)   at Microsoft.Expression.DesignSurface.Assemblies.ProjectAssemblyResolver..ctor(IHostProject project, DesignerContext designerContext)   at Microsoft.Expression.DesignSurface.Assemblies.ProjectAssemblyService.<.ctor>b__0(IHostProject project)   at Microsoft.Expression.Utility.Collections.SuspendableKeyedCollection`2.CreateItems(TKey key)   at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)   at Microsoft.Expression.Utility.Collections.SuspendableKeyedCollection`2.GetItem(TKey key)   at Microsoft.Expression.DesignSurface.Assemblies.ProjectAssemblyService.GetProjectAssemblyResolver(IHostProject project)   at Microsoft.Expression.DesignSurface.Project.ProjectContextBase.Initialize()   at Microsoft.Expression.DesignSurface.Project.XamlProjectContext.Initialize()   at Microsoft.Expression.DesignSurface.Project.ProjectContextManager.GetProjectContext(IHostProject project, IPlatform platform, Boolean create)   at Microsoft.Expression.DesignSurface.Project.ProjectContextManager.GetSourceItemContext(IHostSourceItem sourceItem)   at Microsoft.Expression.DesignSurface.DesignerService.CreateDesigner(IHostSourceItem item, IHostTextEditor editor, CancellationToken cancelToken)   at Microsoft.Expression.DesignHost.Isolation.Remoting.RemoteDesignerService.<>c__DisplayClass10.<>c__DisplayClass12.<Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteDesignerService.CreateDesigner>b__f(CancellationToken cancelToken)   at Microsoft.Expression.DesignHost.Isolation.Remoting.RemoteDesignerService.CallWithCancellation[TResult](IRemoteCancellationToken remoteToken, Func`2 func)   at Microsoft.Expression.DesignHost.Isolation.Remoting.RemoteDesignerService.<>c__DisplayClass10.<Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteDesignerService.CreateDesigner>b__e()   at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.<>c__DisplayClass16`1.<MarshalIn>b__15()   at Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.Call.InvokeWorker()

SECOND

"Access to the service is denied" using C# published samples.

Well, clientid and clientsecret are ok and "en-US" is the Language from italian registered developer.