About.buttonWebsite_Click(Object sender, EventArgs e) The system cannot find the file specified

Current Date/Time: 15.10.2009 11:11:08
Exec. Date/Time: 15.10.2009 11:10:44
Build Date: 20.05.2009
OS: Microsoft Windows NT 5.1.2600 Service Pack 3
Language: Deutsch
System Uptime: 0 Days 0 Hours 1 Mins 42 Secs
Program Uptime: 0 hours 0 mins 2 secs
PID: 3836
Thread Count: 8
Thread Id: 1
Executable: C:\Programme\Little Registry Optimizer\Little Registry Optimizer.exe
Process Name: Little Registry Optimizer
Version: 0.2
CLR Version: 2.0.50727.3603

Type #0: System.ComponentModel.Win32Exception
Message #0: Das System kann die angegebene Datei nicht finden
Source #0: System
Target Site #0: Boolean StartWithShellExecuteEx(System.Diagnostics.ProcessStartInfo)
Stack Trace:
  bei System.Diagnostics.Process.StartWithShellExecuteEx(ProcessStartInfo startInfo)
  bei System.Diagnostics.Process.Start()
  bei System.Diagnostics.Process.Start(ProcessStartInfo startInfo)
  bei System.Diagnostics.Process.Start(String fileName)
  bei Little_Registry_Optimizer.About.buttonWebsite_Click(Object sender, EventArgs e)
  bei System.Windows.Forms.Control.OnClick(EventArgs e)
  bei System.Windows.Forms.Button.OnClick(EventArgs e)
  bei System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
  bei System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
  bei System.Windows.Forms.Control.WndProc(Message& m)
  bei System.Windows.Forms.ButtonBase.WndProc(Message& m)
  bei System.Windows.Forms.Button.WndProc(Message& m)
  bei System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
  bei System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
  bei System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)