rnrpsvc.exe is a RnrpSvc
belonging to RnrpSvc Module
from ABB Automation Technologies
Non-system processes like rnrpsvc.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.