savservice.exe is a process associated with the Sophos Anti-Virus Software.
It is supplied by Sophos so disabling this process might cause problems with your Sophos Anti-Virus software.
Non-system processes like savservice.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