The KSP-2 measurements coworks with the computer by the printer port LPT. The Windows 2000/NT/XP protects the input/output ports against direct access from any software. Direct using the input/output ports needs installation of additional software.

More information about the procedures you can find on the internet page:
http://www.entechtaiwan.com/dev/port/index.shtm

During installation uncheck all check boxes. In this case only drivers will be installed, without any additional source software.