REGEDIT4

[-HKEY_CLASSES_ROOT\CLSID\{645FF040-5081-101B-9F08-00AA002F954E}\Shell\Langa_Cleanup]
@="Langa.Com CleanAll"

[-HKEY_CLASSES_ROOT\CLSID\{645FF040-5081-101B-9F08-00AA002F954E}\Shell\Langa_Cleanup\command]
@="C:\\cleanall.bat"