w32n5217.dll is a W32N5217
belonging to SMC W32N5217 Protocol for Windows
from SMC Networks, Inc.
Non-system processes like w32n5217.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.