pccntmon.exe is a part of PC-cillin anti virus suite. It monitors in real-time, for virus threats running or being installed on your computer.
This program is important for the stable and secure running of your computer and should not be terminated.
Non-system processes like pccntmon.exe 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.