COMException
   at MS.Internal.TextFormatting.TextMetrics.FullTextLine.FormatLine(FullTextState fullText, Int32 cpFirst, Int32 lineLength, Int32 formatWidth, Int32 finiteFormatWidth, Int32 paragraphWidth, LineFlags lineFlags, FormattedTextSymbols collapsingSymbol)
   at MS.Internal.TextFormatting.TextMetrics.FullTextLine..ctor(FormatSettings settings, Int32 cpFirst, Int32 lineLength, Int32 paragraphWidth, LineFlags lineFlags)
   at MS.Internal.TextFormatting.TextFormatterImp.FormatLineInternal(TextSource textSource, Int32 firstCharIndex, Int32 lineLength, Double paragraphWidth, TextParagraphProperties paragraphProperties, TextLineBreak previousLineBreak, TextRunCache textRunCache)
   at MS.Internal.TextFormatting.TextFormatterImp.FormatLine(TextSource textSource, Int32 firstCharIndex, Double paragraphWidth, TextParagraphProperties paragraphProperties, TextLineBreak previousLineBreak, TextRunCache textRunCache)
   at System.Windows.Controls.TextBlock.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.Controls.Border.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Control.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.StackPanel.StackMeasureHelper(IStackMeasure measureElement, IStackMeasureScrollData scrollData, Size constraint)
   at System.Windows.Controls.StackPanel.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, Boolean& hasDesiredSizeUChanged)
   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.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV)
   at System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV, Boolean& hasDesiredSizeUChanged)
   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 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.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.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.ShowHelper(Object booleanBox)
   at Quicker.App.oMyQp1PItq()
   at Quicker.App.<StartupApplicationAsync>d__7.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at Quicker.App.<ApplicationStart>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

COMException
The external backing provider is not recognized. (Exception from HRESULT: 0x80070157)
   at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
   at System.Runtime.InteropServices.Marshal.ThrowExceptionForHR(Int32 errorCode, IntPtr errorInfo)
   at MS.Internal.Text.TextInterface.Native.Util.ConvertHresultToException(Int32 hr)
   at MS.Internal.Text.TextInterface.FontList.get_Item(UInt32 A_0)
   at MS.Internal.FontFace.PhysicalFontFamily.MapGlyphTypeface(FontStyle style, FontWeight weight, FontStretch stretch, CharacterBufferRange charString, CultureInfo digitCulture, Int32& advance, Int32& nextValid)
   at MS.Internal.Shaping.TypefaceMap.MapByFontFaceFamily(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, IFontFamily fontFamily, FontStyle canonicalStyle, FontWeight canonicalWeight, FontStretch canonicalStretch, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Boolean nullFont, Double scaleInEm, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Boolean ignoreMissing, Int32& nextValid)
   at MS.Internal.Shaping.TypefaceMap.MapByFontFamily(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, IFontFamily fontFamily, CanonicalFontFamilyReference canonicalFamilyReference, FontStyle canonicalStyle, FontWeight canonicalWeight, FontStretch canonicalStretch, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Double scaleInEm, Int32 recursionDepth, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Int32& nextValid)
   at MS.Internal.Shaping.TypefaceMap.MapOnceByFontFamilyList(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, FontFamily[] familyList, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Double scaleInEm, Int32 recursionDepth, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Int32& nextValid)
   at MS.Internal.Shaping.TypefaceMap.MapByFontFamilyList(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, FontFamily[] familyList, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Double scaleInEm, Int32 recursionDepth, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Int32& nextValid)
   at MS.Internal.Shaping.TypefaceMap.MapItem(CharacterBufferRange unicodeString, CultureInfo culture, Span itemSpan, SpanVector`1& cachedScaledTypefaceIndexSpans, Int32 ichItem)
   at MS.Internal.Shaping.TypefaceMap.GetShapeableText(CharacterBufferReference characterBufferReference, Int32 stringLength, TextRunProperties textRunProperties, CultureInfo digitCulture, Boolean isRightToLeftParagraph, IList`1 shapeableList, IShapeableTextCollector collector, TextFormattingMode textFormattingMode)
   at MS.Internal.Shaping.GlyphingCache.GetShapeableText(Typeface typeface, CharacterBufferReference characterBufferReference, Int32 stringLength, TextRunProperties textRunProperties, CultureInfo digitCulture, Boolean isRightToLeftParagraph, IList`1 shapeableList, IShapeableTextCollector collector, TextFormattingMode textFormattingMode)
   at System.Windows.Media.TextFormatting.TextCharacters.MS.Internal.TextFormatting.ITextSymbols.GetTextShapeableSymbols(GlyphingCache glyphingCache, CharacterBufferReference characterBufferReference, Int32 length, Boolean rightToLeft, Boolean isRightToLeftParagraph, CultureInfo digitCulture, TextModifierScope textModifierScope, TextFormattingMode textFormattingMode, Boolean isSideways)
   at MS.Internal.TextFormatting.TextStore.CreateTextLSRuns(TextRunInfo runInfo, IList`1 textEffects, CultureInfo digitCulture, Int32 offsetToFirstChar, Int32 stringLength, Int32 uniformBidiLevel, TextFormattingMode textFormattingMode, Boolean isSideways, Int32& lastBidiLevel)
   at MS.Internal.TextFormatting.TextStore.CreateLSRuns(TextRunInfo runInfo, IList`1 textEffects, CultureInfo digitCulture, Int32 offsetToFirstChar, Int32 stringLength, Int32 uniformBidiLevel, TextFormattingMode textFormattingMode, Boolean isSideways, Int32& lastBidiLevel, Int32& textRunLength)
   at MS.Internal.TextFormatting.TextStore.CreateLSRunsUniformBidiLevel(SpanVector runInfoVector, SpanVector textEffectsVector, Int32 runInfoFirstCp, Int32 ichUniform, Int32 cchUniform, Int32 uniformBidiLevel, TextFormattingMode textFormattingMode, Boolean isSideways, Int32& lastBidiLevel)
   at MS.Internal.TextFormatting.TextStore.FetchLSRun(Int32 lscpFetch, TextFormattingMode textFormattingMode, Boolean isSideways, Plsrun& plsrun, Int32& lsrunOffset, Int32& lsrunLength)
   at MS.Internal.TextFormatting.LineServicesCallbacks.FetchRunRedefined(IntPtr pols, Int32 lscpFetch, Int32 fIsStyle, IntPtr pstyle, Char* pwchTextBuffer, Int32 cchTextBuffer, Int32& fIsBufferUsed, Char*& pwchText, Int32& cchText, Int32& fIsHidden, LsChp& lschp, IntPtr& lsplsrun)