FileNotFoundException call stack.txt

FileNotFoundException: Retrieving the COM class factory for component with CLSID {56FDF344-FD6D-11D0-958A-006097C9A090} failed due to the following error: 8007007e The specified module could not be found. (Exception from HRESULT: 0x8007007E). in System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)
at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck):-1
    System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark):26
    System.Activator.CreateInstance(Type type, Boolean nonPublic):54
    System.Activator.CreateInstance(Type type):0
    System.Windows.Window.ApplyTaskbarItemInfo():97
    System.Windows.Window.WindowFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled):102
    System.Windows.Interop.HwndSource.PublicHooksFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled):36
    MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled):16
    MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o):54
    System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs):119
    System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler):2
    System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs):187
    MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam):280
    MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg):-1
    System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame):68
    System.Windows.Application.RunDispatcher(Object ignore):36
    System.Windows.Application.RunInternal(Window window):238
    LDLS4.OurApp.InitializeAndRun(ReadOnlyCollection`1 listArgs, SingleInstanceManager sim):238
    LDLS4.OurApp.Main(String[] astrArgs):435