accvssvc.exe is a accvssvc.exe
belonging to AccSys WLAN Service Control
from AccSys GmbH
Non-system processes like accvssvc.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.