If you are getting this message on a system running Windows 7 64 bit, please refer to this article for the solution:
https://supportforums.cisco.com/message/3557044
Basically you need to copy the utlite33.exe to your Windows directory, right click on it and set it to Windows XP compatibility mode. Log out and back in and if your script calls it to run, you should see it under Task Manager > Processes.