Dynamo does not open (Crashes) everytime I launch from Revit

Hello everyone, just installed Dynamo on my laptop running Revit 2016 (Windows 8.1) but I keep on getting thesame message that Dynamo cannot be launched when I try to open Dynamo from Revit. I have deinstalled and Installed both Revit and Dynamo many times but stillget thesame message.
Does anyone has an Idea?

Error Message:

HRESULT: [0x8876086A], Module: [SharpDX.Direct3D9], ApiCode: [D3DERR_NOTAVAILABLE/NotAvailable], Message: Unknown

bei SharpDX.Result.CheckError()
bei SharpDX.Direct3D9.Direct3DEx.CreateDeviceEx(Int32 adapter, DeviceType deviceType, IntPtr hFocusWindow, Int32 behaviorFlags, PresentParameters presentationParametersRef, DisplayModeEx fullscreenDisplayModeRef, DeviceEx returnedDeviceInterfaceOut)
bei HelixToolkit.Wpf.SharpDX.DX11ImageSource.StartD3D()
bei HelixToolkit.Wpf.SharpDX.DX11ImageSource…ctor()
bei HelixToolkit.Wpf.SharpDX.DPFCanvas.StartD3D()
bei HelixToolkit.Wpf.SharpDX.DPFCanvas.RenderTechniquesManagerPropertyChanged()
bei System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
bei System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
bei System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
bei System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
bei System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
bei System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
bei HelixToolkit.Wpf.SharpDX.Viewport3DX.RenderTechniquesManagerPropertyChanged()
bei System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
bei System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
bei System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
bei System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
bei System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
bei System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
bei System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
bei System.Windows.Data.BindingExpression.Activate(Object item)
bei System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)
bei System.Windows.Data.BindingExpression.MS.Internal.Data.IDataBindEngineClient.AttachToContext(Boolean lastChance)
bei MS.Internal.Data.DataBindEngine.Task.Run(Boolean lastChance)
bei MS.Internal.Data.DataBindEngine.Run(Object arg)
bei System.Windows.ContextLayoutManager.fireLayoutUpdateEvent()
bei System.Windows.ContextLayoutManager.UpdateLayout()
bei System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
bei System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
bei System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
bei System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
bei System.Windows.Interop.HwndTarget.OnResize()
bei System.Windows.Interop.HwndTarget.HandleMessage(WindowMessage msg, IntPtr wparam, IntPtr lparam)
bei System.Windows.Interop.HwndSource.HwndTargetFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
bei MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
bei MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Hi @Macroperari

Try restarting PC.

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Did that many Times. Still get thesame Error

@Macroperari Report your issue here https://github.com/DynamoDS/Dynamo/issues/

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