Bug #67019 Able to open up recent created table, not previous tables

Description:
MySQL Workbench has encountered a proplem
Unale to cast object of type 'MySQL.Forms.MenuItemImpl' to typy 'MySQL.GUI.Workbench.plugins.DockablePlugin'

----- Developer Notes -----

MySQL Workbench CE for Windows version 5.2.41  revision 9724
Configuration Directory: C:\Users\Tam\AppData\Roaming\MySQL\Workbench
Data Directory: C:\Program Files\MySQL\MySQL Workbench CE 5.2.41
Cairo Version: 1.8.8
OS: Microsoft Windows 7  Service Pack 1 (build 7601), 32-bit
CPU: 2x Intel(R) Core(TM) Duo CPU      T2350  @ 1.86GHz, 2.0 GiB RAM
Active video adapter (0): Mobile Intel(R) 945 Express Chipset Family
Installed video RAM: 256 MB
Current video mode: 1280 x 800 x 4294967296 colors
Used bit depth: 32
Driver version: 8.15.10.1930
Installed display drivers: igdumd32.dll
Current user language: English (United States)

Exception = System.InvalidCastException
Message = Unable to cast object of type 'MySQL.Forms.MenuItemImpl' to type 'MySQL.GUI.Workbench.Plugins.DockablePlugin'.
FullText = System.InvalidCastException: Unable to cast object of type 'MySQL.Forms.MenuItemImpl' to type 'MySQL.GUI.Workbench.Plugins.DockablePlugin'.
   at MySQL.GUI.Workbench.Plugins.DockablePlugin.GetFromFixedPtr(IntPtr ptr)
   at MySQL.GUI.Workbench.MainForm.ShowPlugin(IntPtr ptr)
   at MySQL.Forms.AppImpl.show_editor_wrapper(UInt32 native_handle)
   at boost.detail.function.void_function_invoker1<void (__cdecl*)(unsigned int),void,unsigned int>.invoke(function_buffer* function_ptr, UInt32 a0)
   at MySQL.Grt.ListModel.activate_node(NodeId node)
   at MySQL.GUI.Workbench.ModelOverviewForm.listViewDoubleClick(Object sender, EventArgs e)
   at System.Windows.Forms.Control.OnDoubleClick(EventArgs e)
   at System.Windows.Forms.ListView.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(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)

How to repeat:
- created and saved first  table
- Closed first table

- created and saved 2nd table
- Closed 2nd table
- Opened 1st table. received error as above in Description

Please try version 5.2.44. Thanks.

No feedback was provided for this bug for over a month, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".