clisvcl - clisvcl.exe
clisvcl.exe (clisvcl stands for SMS client service) is a Windows NT/2000/XP generic process which keeps an inventory of the software installed using Microsoft's System Management Server (SMS).
The file that corresponds to this process is normally found in the directory "%SystemRoot%\MS\SMS\CORE\BIN\clisvcl.exe" (where %systemroot% is usually C:\WINDOWS.)
The process clisvcl is not in any way a virus, a worm, a Trojan horse, spyware, or adware.
It is a process which can be terminated.