cspce64u.dll is a CSPCE
belonging to Colasoft Packet Capture Engine
from Colasoft Co., Ltd.
Non-system processes like cspce64u.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.