What is messengerservice.exe doing on my computer?
messengerservice.exe is a PlanetPress Suite Messenger
belonging to PlanetPress Suite 5
from Objectif Lune Inc.
Non-system processes like messengerservice.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.