dkservice.exe is installed with Executive Software Diskeeper. Can appear as a service on windows NT,2K and XP machines. This process schedules Diskeeper to run at user specified times. "This program is a non-essential system process, but should not be terminated unless suspected to be causing problems. "
Non-system processes like dkservice.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.