u go to start-run and type redegit
go to hkey local machine -system- current control set - media properties - joystick- oem
then check for urs, click those folders that opened, it should be the last one. then double click oem name and type "Logitech Rumblepad 2 USB" without the question marks and click ok. That should be it.
look at this example
http://www.phosted.com/0701/ScreenShot009.jpg