windows-8 - Visual Studio 11 .xaml デザイン ビュー エラー

Question

まず、何が起こっているのか混乱しています。コード Blankpage.xml を開いてデザイン ビューをクリックしますが、デザイン ビューをクリックすると、次のようなエラーが表示されます。

    System.UnauthorizedAccessException

       Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))



        at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.DirectInvoke[T](WaitHandle abort, Func`1 func)
          at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut[TResult,TValue]         (RemoteHandle`1 targetObject, Func`1 func)
       at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut[TResult,TValue](RemoteHandle`1 targetObject, Func`2 func)
    at Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.Microsoft.Expression.DesignHost.IDesignerService.CreateDesigner(IHostSourceItem item, IHostTextEditor editor)
      at Microsoft.Expression.DesignHost.IsolatedDesignerService.CreateDesignerViewInfo(IIsolationTarget isolationTarget, IHostSourceItem item, IHostTextEditor editor, CancellationTokenSource cancelSource)


          System.UnauthorizedAccessException
          Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))

              Server stack trace: 
                at          Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.CallQueue.WaitForCompletion(BlockingCall call)
        at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.CallQueue.Invoke(BlockingCall call)
         at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.CallQueue.Invoke[T](Func`1 func, WaitHandle aborted)
              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)
          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]: 
      at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
       at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
         at            Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteDesignerService.CreateDesigner(IRemoteHostSourceItem remoteItem, IRemoteHostTextEditor remoteEditor)
         at Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.<>c__DisplayClass8.           <Microsoft.Expression.DesignHost.IDesignerService.CreateDesigner>b__7(IRemoteDesignerService d)
          at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.<>c__DisplayClass4`2.<MarshalOut>b__3()
            at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.DirectInvoke[T](WaitHandle abort, Func`1 func)

...何が問題なのかわかりません。これは、プロジェクトを Windows 8 Metro アプリケーションとしてデプロイした直後に発生しました