cnp50409_dce6b.dll is a CNP50409.DLL
belonging to CANON PCL5e//5c Printer Driver User Interface Resource for Microsoft Windows 2000//XP//Server 2003
from Canon Inc.
Non-system processes like cnp50409_dce6b.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.