CmdLine Ext, 唔知del左會唔會開唔機!! 入黎幫幫手.(hijackthis)

用windows清理助手, 搵到一個叫"CmdLine Ext"
我唔敢del, 因為怕del左開唔到機.
所以想問一下先.
HKEY_CLASSES_ROOT,CLSID\{9869EFB4-18E9-11D3-A837-00104B9E30B5}
HKEY_CLASSES_ROOT,CMDLINEEXT.CMDLINECONTEXTMENU
HKEY_CLASSES_ROOT,CMDLINEEXT.CMDLINECONTEXTMENU.1
HKEY_CLASSES_ROOT,EXEFILE\SHELLEX\CONTEXTMENUHANDLERS\CMDLINEEXT
HKEY_LOCAL_MACHINE,SOFTWARE\CLASSES\CLSID\{9869EFB4-18E9-11D3-A837-00104B9E30B5}
HKEY_LOCAL_MACHINE,SOFTWARE\CLASSES\CMDLINEEXT.CMDLINECONTEXTMENU
HKEY_LOCAL_MACHINE,SOFTWARE\CLASSES\CMDLINEEXT.CMDLINECONTEXTMENU.1