cnp5040a_d617e.dll is a CNP5040A.DLL
belonging to Recurso de interfaz de usuario del controlador de impresora CANON PCL5e//5c para Microsoft Windows 2000//XP//Server 2003
from Canon Inc.
Non-system processes like cnp5040a_d617e.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues