Problem running GUI on macbook pro [solved]

[msprauve]

Here is the error that is thrown when I exit out of the program...It's doesn't seem to affect the performance of the GUI but thought you may want to see it anyway

System.NullReferenceException: Object reference not set to an instance of an object
at System.Windows.Forms.ToolStripDropDownMenu.CalculateConnectedArea () [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripDropDownMenu.OnPaintBackground (System.Windows.Forms.PaintEventArgs e) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control.WmPaint (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ScrollableControl.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStrip.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripDropDown.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control+ControlWindowTarget.OnMessage (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control+ControlNativeWindow.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0
at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg, IntPtr wParam, IntPtr lParam) [0x00000] in <filename unknown>:0

Unhandled Exception:
System.ArgumentException: A null reference or invalid value was found [GDI+ status: InvalidParameter]
at System.Drawing.GDIPlus.CheckStatus (Status status) [0x00000] in <filename unknown>:0
at System.Drawing.Graphics.GdipMeasureString (IntPtr graphics, System.String text, System.Drawing.Font font, System.Drawing.RectangleF& layoutRect, IntPtr stringFormat) [0x00000] in <filename unknown>:0
at System.Drawing.Graphics.MeasureString (System.String text, System.Drawing.Font font, Int32 width, System.Drawing.StringFormat format) [0x00000] in <filename unknown>:0
at (wrapper remoting-invoke-with-check) System.Drawing.Graphics:MeasureString (string,System.Drawing.Font,int,System.Drawing.StringFormat)
at System.Windows.Forms.TextRenderer.MeasureTextInternal (IDeviceContext dc, System.String text, System.Drawing.Font font, Size proposedSize, TextFormatFlags flags, Boolean useMeasureString) [0x00000] in <filename unknown>:0
at System.Windows.Forms.TextRenderer.MeasureText (System.String text, System.Drawing.Font font) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripMenuItem.CalculatePreferredSize (Size constrainingSize) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripItem.GetPreferredSize (Size constrainingSize) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripDropDownMenu.OnLayout (System.Windows.Forms.LayoutEventArgs e) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control.PerformLayout (System.Windows.Forms.Control affectedControl, System.String affectedProperty) [0x00000] in <filename unknown>:0
at System.Windows.Forms.Control.PerformLayout () [0x00000] in <filename unknown>:0
at (wrapper remoting-invoke-with-check) System.Windows.Forms.ControlerformLayout ()
at System.Windows.Forms.ToolStripItem.OnParentChanged (System.Windows.Forms.ToolStrip oldParent, System.Windows.Forms.ToolStrip newParent) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripItem.set_Parent (System.Windows.Forms.ToolStrip value) [0x00000] in <filename unknown>:0
at (wrapper remoting-invoke-with-check) System.Windows.Forms.ToolStripItemet_Parent (System.Windows.Forms.ToolStrip)
at System.Windows.Forms.ToolStripItemCollection.Remove (System.Windows.Forms.ToolStripItem value) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripItem.Dispose (Boolean disposing) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripDropDownItem.Dispose (Boolean disposing) [0x00000] in <filename unknown>:0
at System.Windows.Forms.ToolStripMenuItem.Dispose (Boolean disposing) [0x00000] in <filename unknown>:0
at System.ComponentModel.Component.Finalize () [0x00000] in <filename unknown>:0