Tracking ID :  cb3c88eb-64c3-4c1f-a138-199068f5608d ------------------------------------------------------------------ System.NullReferenceException: 개체 참조가 개체의 인스턴스로 설정되지 않았습니다.
   위치: System.Windows.UIElement.CreateAutomationPeer()
   위치: System.Windows.Automation.Peers.UIElementAutomationPeer.CreatePeerForElement(UIElement element)
   위치: System.Windows.Controls.Primitives.Popup.PopupSecurityHelper.ForceMsaaToUiaBridge(PopupRoot popupRoot)
   위치: System.Windows.Controls.Primitives.Popup.CreateWindow(Boolean asyncCall)
   위치: System.Windows.Controls.Primitives.Popup.OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
   위치: System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
   위치: System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
   위치: System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
   위치: System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
   위치: System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
   위치: System.Windows.Data.BindingOperations.SetBinding(DependencyObject target, DependencyProperty dp, BindingBase binding)
   위치: System.Windows.Controls.Primitives.Popup.CreateRootPopupInternal(Popup popup, UIElement child, Boolean bindTreatMousePlacementAsBottomProperty)
   위치: System.Windows.Controls.ToolTip.HookupParentPopup()
   위치: System.Windows.Controls.ToolTip.OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
   위치: System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
   위치: System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
   위치: System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
   위치: System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
   위치: System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
   위치: System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
   위치: System.Windows.Controls.PopupControlService.ShowToolTip(DependencyObject o, Boolean fromKeyboard)
   위치: System.Windows.Controls.PopupControlService.PromotePendingToolTipToCurrent(TriggerAction triggerAction)
   위치: System.Windows.Controls.PopupControlService.<>c__DisplayClass15_0.<BeginShowToolTip>b__0(Object s, EventArgs e)
   위치: System.Windows.Threading.DispatcherTimer.FireTick(Object unused)
   위치: System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   위치: System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)




위에 같은 내용으로 오류가 발생했다고 뜨면서 설치부터가 안됩니다ㅠ
컴퓨터 박사님들 도와주세요!!!!