hpsmhd.exe is a System Monitor
belonging to HP System Management Homepage for Microsoft® Windows NT(TM)
. This is a system management tool for server administrators.
Non-system processes like hpsmhd.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