TreeViewAdv.GetColumnDividerAt(Point p) Method not found: 'Boolean System.Drawing.Rectangle.Contains(System.Drawing.Point)'.

[Nick]

Current Date/Time: 7/3/2009 10:43:56 PM
Exec. Date/Time: 7/3/2009 10:43:51 PM
Build Date: 6/8/2009
OS: Microsoft Windows NT 6.0.6001 Service Pack 1
Language: en-US
System Uptime: 0 Days 0 Hours 3 Mins 38 Secs
Program Uptime: 00:00:00.9672062
PID: 1932
Module Count: 53
Thread Count: 6
Thread ID: 1
Executable: C:\Users\chad\AppData\Local\Temp\Rar$EX00.752\Little Registry Cleaner.exe
Process Name: System.Diagnostics.Process (Little Registry Cleaner)
Version: 1.3.1
CLR Version: 2.0.50727.3074
Main Module Name: Little Registry Cleaner.exe

Type #0 System.MissingMethodException
Message #0: Method not found: 'Boolean System.Drawing.Rectangle.Contains(System.Drawing.Point)'.
TargetSite #0: Common_Tools.TreeViewAdv.Tree.TreeColumn GetColumnDividerAt(System.Drawing.Point)
Source #0: Common Tools

StackTrace:
  at Common_Tools.TreeViewAdv.Tree.TreeViewAdv.GetColumnDividerAt(Point p)
  at Common_Tools.TreeViewAdv.Tree.TreeViewAdv.SetCursor(MouseEventArgs e)
  at Common_Tools.TreeViewAdv.Tree.TreeViewAdv.OnMouseMove(MouseEventArgs e)
  at System.Windows.Forms.Control.WmMouseMove(Message& m)
  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)