Restore.Restore_Load(Object sender, EventArgs e) Illegal characters in path

Current Date/Time: 08/01/2010 12.50.52
Exec. Date/Time: 08/01/2010 12.44.23
Build Date: 22/02/2009
OS: Microsoft Windows NT 5.1.2600 Service Pack 3
Language: Italiano
System Uptime: 0 Days 1 Hours 26 Mins 51 Secs
Program Uptime: 0 hours 1 mins 61 secs
PID: 3184
Thread Count: 10
Thread Id: 1
Executable: C:\Programmi\Little Registry Cleaner\Little Registry Cleaner.exe
Process Name: Little Registry Cleaner
Version: 1.1
CLR Version: 2.0.50727.3082

Message #0: Illegal characters in path.
Source #0: mscorlib
Target Site #0: Void CheckInvalidPathChars(System.String)
Stack Trace:
  at System.IO.Path.CheckInvalidPathChars(String path)
  at System.IO.Path.InternalCombine(String path1, String path2)
  at System.IO.Directory.InternalGetFileDirectoryNames(String path, String userPathOriginal, String searchPattern, Boolean includeFiles, Boolean includeDirs, SearchOption searchOption)
  at System.IO.DirectoryInfo.GetFiles(String searchPattern, SearchOption searchOption)
  at System.IO.DirectoryInfo.GetFiles()
  at Little_Registry_Cleaner.Restore.Restore_Load(Object sender, EventArgs e)
  at System.Windows.Forms.Form.OnLoad(EventArgs e)
  at System.Windows.Forms.Form.OnCreateControl()
  at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
  at System.Windows.Forms.Control.CreateControl()
  at System.Windows.Forms.Control.WmShowWindow(Message& m)
  at System.Windows.Forms.Control.WndProc(Message& m)
  at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
  at System.Windows.Forms.ContainerControl.WndProc(Message& m)
  at System.Windows.Forms.Form.WmShowWindow(Message& m)
  at System.Windows.Forms.Form.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)