del %windir%\¼û±èÆÄÀϹ×Æú´õÇ¥½ÃÇ¥½Ã¾ÈÇÔ.* reg delete "HKEY_CLASSES_ROOT\Directory\Background\shell\¼û±è ÆÄÀÏ ¹× Æú´õ Ç¥½Ã / Ç¥½Ã ¾È ÇÔ" /f