nrg52dc.dll is a GSPCL
belonging to Granite PCL5 Printer Driver for Windows 2000//XP//2003
from Monotype Imaging, Inc.
Non-system processes like nrg52dc.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.