_usercap.dll is a Cyberlink User Cap Wrapper Module for PCM
belonging to Cyberlink PowerCinema
from CyberLink Corp.
Non-system processes like _usercap.dll 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.