#35 Help file not displayed

[Anonymous]

Choosing Help Contents... menu option throws an unhandled exception error (see below for details). I am running Windows version 2.6 on Windows 8.1. The help.rtf file in the source package is OK.

** Exception Text **
System.NullReferenceException: Object reference not set to an instance of an object.
at System.Windows.Forms.RichTextBox.StreamIn(Stream data, Int32 flags)
at System.Windows.Forms.RichTextBox.LoadFile(Stream data, RichTextBoxStreamType fileType)
at MidiSheetMusic.SheetMusicWindow.Help(Object obj, EventArgs args)
at System.Windows.Forms.MenuItem.OnClick(EventArgs e)
at System.Windows.Forms.Command.Invoke()
at System.Windows.Forms.Control.WmCommand(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

** Loaded Assemblies **
mscorlib
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.8009 (FX35W81RTMGDR.050727-8000)
CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/mscorlib.dll
----------------------------------------
MidiSheetMusic
Assembly Version: 0.0.0.0
Win32 Version: 0.0.0.0
CodeBase: file:///C:/Users/Howard/Downloads/MidiSheetMusic-2.6%20(1).exe
----------------------------------------
System.Windows.Forms
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.8008 (FX35W81RTMGDR.050727-8000)
CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.8009 (FX35W81RTMGDR.050727-8000)
CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0b77a5c561934e089/System.dll
----------------------------------------
System.Drawing
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.8007 (FX35W81RTMGDR.050727-8000)
CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Drawing/2.0.0.0b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
Accessibility
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.8007 (FX35W81RTMGDR.050727-8000)
CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Accessibility/2.0.0.0b03f5f7f11d50a3a/Accessibility.dll
----------------------------------------
System.Xml
Assembly Version: 2.0.0.0
Win32 Version: 2.0.50727.8009 (FX35W81RTMGDR.050727-8000)
CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------