hpcmpmgr.exe is the main process belonging to the HP Component Manager, and is important to the running of their range of multimedia products. "This program is a non-essential process, but should not be terminated unless suspected to be causing problems. "
Non-system processes like hpcmpmgr.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues