Did you plug in the controller first then installed the software?
Several pieces of hardware don't like that.
If you did it that way, unplug the controller and uninstall the software.
Reinstall the software first, then plug in the controller.
I honestly have no experiance with Windows Vista, so this could be completely irrelivant, but it's happened to me before.
Do what the poster above me suggested first. if you still have problems, then check to see if that piece of hardware (or its software) is conflicting with anything on your system. The Vista systems you checked your controller on might not have had some random piece of software that you have on your particular system.
Again, I have no experiance with Vista at all. I've used Windows 3.1 to Windows XP, but not Vista yet. My response is based on my experiance with Windows XP.
ok, that easy. if you saying so, that mean that is not the vista problem but it might be your hardware problem. if not mistaken, normally this kind of devices are using USB port. so, did you use any usb extension cable? such as usb hub? if you are using usb hub, then try to connect the device direct to your computer.