I am not able to install System Tools Software

Hi all,
I am using windows XP home computer. I have been given with system tools software to protect and save my system.
But I am not able to install it. I am getting some application error.
Kindly help me in setting up the software.
Thanks in advance.

pctsSvc.exe – Application Error
The application was unable to start correctly (0xc0000142). Click OK to close the application.
