Problema su System.Windows.Media.FontFamily

Sveiki forumiečiai, taigi šiandien įsijungiu dxtory ir gaunu klaidą, jog neveikia, pasižiūriu log file o ten taip :

=== 2014.10.28 13:53:44 ===
[Module]
Dxtory.exe 2.0.119

[Process]
ID: 4108

[Thread]
MainThread (1)

[Error Message]
The type initializer for 'System.Windows.Media.FontFamily' threw an exception.

[stackInfo]
  at System.Windows.Media.Typeface..ctor(FontFamily fontFamily, FontStyle style, FontWeight weight, FontStretch stretch)
  at MS.Internal.Text.DynamicPropertyReader.GetTypeface(DependencyObject element)
  at MS.Internal.Text.TextProperties.InitCommon(DependencyObject target)
  at MS.Internal.Text.TextProperties..ctor(FrameworkElement target, Boolean isTypographyDefaultValue)
  at System.Windows.Controls.TextBlock.GetLineProperties()
  at System.Windows.Controls.TextBlock.EnsureTextBlockCache()
  at System.Windows.Controls.TextBlock.MeasureOverride(Size constraint)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at System.Windows.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV)
  at System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV)
  at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at System.Windows.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV)
  at System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV)
  at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)
  at System.Windows.Controls.ContentPresenter.MeasureOverride(Size constraint)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at System.Windows.Documents.AdornerDecorator.MeasureOverride(Size constraint)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at System.Windows.Controls.Border.MeasureOverride(Size constraint)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at System.Windows.Window.MeasureOverrideHelper(Size constraint)
  at System.Windows.Window.MeasureOverride(Size availableSize)
  at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
  at System.Windows.UIElement.Measure(Size availableSize)
  at System.Windows.Interop.HwndSource.SetLayoutSize()
  at System.Windows.Interop.HwndSource.set_RootVisualInternal(Visual value)
  at System.Windows.Interop.HwndSource.set_RootVisual(Visual value)
  at System.Windows.Window.SetRootVisual()
  at System.Windows.Window.SetRootVisualAndUpdateSTC()
  at System.Windows.Window.SetupInitialState(Double requestedTop, Double requestedLeft, Double requestedWidth, Double requestedHeight)
  at System.Windows.Window.CreateSourceWindow(Boolean duringShow)
  at System.Windows.Window.CreateSourceWindowDuringShow()
  at System.Windows.Window.SafeCreateWindowDuringShow()
  at System.Windows.Window.ShowHelper(Object booleanBox)
  at System.Windows.Window.Show()
  at e0.a(Object A_0, StartupEventArgs A_1)

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