title: AutoCAD 2014: System.Runtime.InteropServices.COMException (0x80029C4A) (TYPE_E_CANTLOADLIBRARY))
body: <p>I have created classLibrary dll in vb.net 2013 for AutoCAD 2013 using ObjectARX 2013. It works fine in AutoCAD 2013 32bit &amp; 64 bit (winxp, win7, win8). The same program I copied for AutoCAD 2014 and libraries used ObjectARX 2014. But it give this error when I run in AutoCAD 2014.</p>
  
  <p>Please help me. What should I do?</p>
  
  <pre><code>Application does not support just-in-time (JIT)
  debugging. See the end of this message for details.
  
  ************** Exception Text **************
  System.Runtime.InteropServices.COMException (0x80029C4A): Error loading type library/DLL. (Exception from HRESULT: 0x80029C4A (TYPE_E_CANTLOADLIBRARY))
     at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)
     at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
     at Microsoft.VisualBasic.CompilerServices.VBBinder.InvokeMember(String name, BindingFlags invokeAttr, Type objType, IReflect objIReflect, Object target, Object[] args, String[] namedParameters)
     at Microsoft.VisualBasic.CompilerServices.LateBinding.InternalLateCall(Object o, Type objType, String name, Object[] args, String[] paramnames, Boolean[] CopyBack, Boolean IgnoreReturn)
     at PV3D.Module1.Head(Double ID, Double thk)
     at PV3D.Form1.Button1_Click_1(Object sender, EventArgs e)
     at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
     at System.Windows.Forms.Control.WmMouseUp(Message&amp; m, MouseButtons button, Int32 clicks)
     at System.Windows.Forms.Control.WndProc(Message&amp; m)
     at System.Windows.Forms.ButtonBase.WndProc(Message&amp; m)
     at System.Windows.Forms.Button.WndProc(Message&amp; m)
     at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
  
  
  ************** Loaded Assemblies **************
  mscorlib
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/mscorlib.dll
  ----------------------------------------
  Acdbmgd
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcdbMgd.DLL
  ----------------------------------------
  System
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll
  ----------------------------------------
  System.Core
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.dll
  ----------------------------------------
  AdApplicationFrame
      Assembly Version: 0.0.0.0
      Win32 Version: 4.0.19.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AdApplicationFrame.DLL
  ----------------------------------------
  AdWindows
      Assembly Version: 4.0.24.0
      Win32 Version: 4.0.24.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AdWindows.DLL
  ----------------------------------------
  PresentationFramework
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework/v4.0_4.0.0.0__31bf3856ad364e35/PresentationFramework.dll
  ----------------------------------------
  WindowsBase
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/WindowsBase/v4.0_4.0.0.0__31bf3856ad364e35/WindowsBase.dll
  ----------------------------------------
  PresentationCore
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_64/PresentationCore/v4.0_4.0.0.0__31bf3856ad364e35/PresentationCore.dll
  ----------------------------------------
  System.Xaml
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xaml/v4.0_4.0.0.0__b77a5c561934e089/System.Xaml.dll
  ----------------------------------------
  System.Xml
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll
  ----------------------------------------
  PresentationFramework.Aero2
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework.Aero2/v4.0_4.0.0.0__31bf3856ad364e35/PresentationFramework.Aero2.dll
  ----------------------------------------
  System.Drawing
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
  ----------------------------------------
  accoremgd
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/accoremgd.DLL
  ----------------------------------------
  Acmgd
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/Acmgd.DLL
  ----------------------------------------
  System.Configuration
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Configuration/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
  ----------------------------------------
  AcWindows
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcWindows.DLL
  ----------------------------------------
  AcCui
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcCui.DLL
  ----------------------------------------
  PresentationFramework-SystemXml
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework-SystemXml/v4.0_4.0.0.0__b77a5c561934e089/PresentationFramework-SystemXml.dll
  ----------------------------------------
  PresentationFramework.Aero
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework.Aero/v4.0_4.0.0.0__31bf3856ad364e35/PresentationFramework.Aero.dll
  ----------------------------------------
  WindowsFormsIntegration
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/WindowsFormsIntegration/v4.0_4.0.0.0__31bf3856ad364e35/WindowsFormsIntegration.dll
  ----------------------------------------
  AcWindows.resources
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/en-US/AcWindows.resources.DLL
  ----------------------------------------
  PresentationUI
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationUI/v4.0_4.0.0.0__31bf3856ad364e35/PresentationUI.dll
  ----------------------------------------
  System.Xml.Linq
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml.Linq/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.Linq.dll
  ----------------------------------------
  System.Windows.Forms
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
  ----------------------------------------
  PresentationFramework-SystemXmlLinq
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework-SystemXmlLinq/v4.0_4.0.0.0__b77a5c561934e089/PresentationFramework-SystemXmlLinq.dll
  ----------------------------------------
  PV3D
      Assembly Version: 1.0.0.0
      Win32 Version: 1.0.0.0
      CodeBase: file:///C:/Users/Fayaz%20Memon/AppData/Roaming/Autodesk/ApplicationPlugins/PV3D.bundle/Contents/PV3D.dll
  ----------------------------------------
  FeaturedAppsPlugin
      Assembly Version: 19.0.0.0
      Win32 Version: 19.0.55.0.0
      CodeBase: file:///C:/ProgramData/Autodesk/ApplicationPlugins/Autodesk%20FeaturedApps.bundle/Contents/Windows/2014/FeaturedAppsPlugin.dll
  ----------------------------------------
  ContextualTabSelectorRules
      Assembly Version: 0.0.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcWindows.dll
  ----------------------------------------
  PresentationFramework-SystemCore
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework-SystemCore/v4.0_4.0.0.0__b77a5c561934e089/PresentationFramework-SystemCore.dll
  ----------------------------------------
  Microsoft.Expression.Interactions
      Assembly Version: 4.0.0.0
      Win32 Version: 2.0.20520.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/Microsoft.Expression.Interactions.DLL
  ----------------------------------------
  ManagedMC3
      Assembly Version: 7.2.0.0
      Win32 Version: 7.2.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/ManagedMC3.DLL
  ----------------------------------------
  UIAutomationTypes
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/UIAutomationTypes/v4.0_4.0.0.0__31bf3856ad364e35/UIAutomationTypes.dll
  ----------------------------------------
  Microsoft.VisualBasic
      Assembly Version: 10.0.0.0
      Win32 Version: 11.0.50709.17929 built by: FX45RTMREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/Microsoft.VisualBasic/v4.0_10.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll
  ----------------------------------------
  AcLivePreviewContext
      Assembly Version: 0.0.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcWindows.dll
  ----------------------------------------
  UIAutomationProvider
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/UIAutomationProvider/v4.0_4.0.0.0__31bf3856ad364e35/UIAutomationProvider.dll
  ----------------------------------------
  AcLayer
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcLayer.DLL
  ----------------------------------------
  AcLayer.resources
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/en-US/AcLayer.resources.DLL
  ----------------------------------------
  PresentationFramework.Luna
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework.Luna/v4.0_4.0.0.0__31bf3856ad364e35/PresentationFramework.Luna.dll
  ----------------------------------------
  AcMrUi
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcMrUI.DLL
  ----------------------------------------
  AcMrUi.resources
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/en-US/AcMrUi.resources.DLL
  ----------------------------------------
  AcMr
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/AcMr.DLL
  ----------------------------------------
  System.Runtime.Serialization
      Assembly Version: 4.0.0.0
      Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL
      CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Runtime.Serialization/v4.0_4.0.0.0__b77a5c561934e089/System.Runtime.Serialization.dll
  ----------------------------------------
  FeaturedAppsPlugin.resources
      Assembly Version: 19.0.0.0
      Win32 Version: 19.0.55.0.0
      CodeBase: file:///C:/ProgramData/Autodesk/ApplicationPlugins/Autodesk%20FeaturedApps.bundle/Contents/Resources/en-US/FeaturedAppsPlugin.resources.dll
  ----------------------------------------
  Autodesk.AutoCAD.Interop.Common
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/Autodesk.AutoCAD.Interop.Common.DLL
  ----------------------------------------
  Autodesk.AutoCAD.Interop
      Assembly Version: 19.1.0.0
      Win32 Version: 19.1.18.0.0
      CodeBase: file:///C:/Program%20Files/Autodesk/AutoCAD%202014/Autodesk.AutoCAD.Interop.DLL
  ----------------------------------------
  
  ************** JIT Debugging **************
  Application does not support Windows Forms just-in-time (JIT)
  debugging. Contact the application author for more
  information.
  </code></pre>