Process: smss.exe (Windows Session Manager)
from 
Stardock Forums
Stardock Forums
smss.exe - General Information
Name:
smss.exe (Windows Session Manager)
Publisher
Microsoft Corporation
Product:
Microsoft® Windows® Operating System
Default location:
%windir%\system32\smss.exe
smss.exe - Description and Recommendation
smss.exe is a process which is a part of the Microsoft Windows
Operating System. It is called the Session Manager Subsystem and is
responsible for handling sessions on your system. This program is
important for the stable and secure running of your computer and should
not be terminated.
smss.exe - Uninstall Techniques