mfpmp.exe is a Media Foundation Protected Pipeline EXE
belonging to Microsoft Windows Vista
from Microsoft Corporation
. This is a process that runs when protected content is being played to prevent the DRM from getting hacked.
Non-system processes like mfpmp.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