Bug #51724 MySQL asked me to report this
Submitted: 4 Mar 2010 14:52 Modified: 4 Mar 2010 15:01
Reporter: Jonathan Martel Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Workbench: SQL Editor Severity:S3 (Non-critical)
Version:5.2.15 OS:Windows (Windows 7)
Assigned to: CPU Architecture:Any

[4 Mar 2010 14:52] Jonathan Martel
Description:
Exception = System.Runtime.InteropServices.SEHException
Message = External component has thrown an exception.
FullText = System.Runtime.InteropServices.SEHException: External component has thrown an exception.
   at bec.FKConstraintColumnsListBE.get_column_is_fk(FKConstraintColumnsListBE* , NodeId* )
   at MySQL.Grt.Db.FKConstraintColumnsListBE.get_column_is_fk(NodeId node)
   at MySQL.GUI.Workbench.Plugins.DbMysqlTableFkColumnListModel.columnEnabledFkNodeControl_CheckStateChanged(Object sender, TreePathEventArgs e)
   at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
   at Aga.Controls.Tree.NodeControls.NodeCheckBox.OnCheckStateChanged(TreePathEventArgs args)
   at Aga.Controls.Tree.NodeControls.NodeCheckBox.OnCheckStateChanged(TreeNodeAdv node)
   at Aga.Controls.Tree.NodeControls.NodeCheckBox.SetCheckState(TreeNodeAdv node, CheckState value)
   at Aga.Controls.Tree.NodeControls.NodeCheckBox.MouseDown(TreeNodeAdvMouseEventArgs args)
   at Aga.Controls.Tree.TreeViewAdv.OnMouseDown(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseDown(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.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:
No idea. window just came up, said there was a bug, asked me to report it. Everything seems to be working fine. Didn't need to restart so far.
[4 Mar 2010 15:01] MySQL Verification Team
Thank you for the bug report. Could you please upgrade to 5.2.16 and re-open this bug report if the issue happens again. Thanks in advance.