How to register PPT Converter software in windows server 2008 and 2003

Q:I have the registered the component using pptconv -$ SERIAL_NUMBER from the command line.
When we call the pptconv.exe from our application on a Windows Server 2008 machine, the attached warning gets displayed every time, prompting for the license key to be inputted.

OS:Windows Server 2008

A:Use administrator privilege to register it please.
1.Left click "start" menu.
2.Right click "command prompt" program.
4.Use administrator privilege to run command prompt program.
3. Register program.For example:
pptconv -$ SERIAL_NUMBER

Parameter -$ XXXXXXXX (registration code).
The code will be sent to your email box automatically after you pay for it on its website.