satsrv.exe is a Security Monitor
belonging to Steganos Security Suite 2006
. This is an encryption and anti-theft protection program.
Non-system processes like satsrv.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