VirtualBox: unable to use usb with my windows 7 installation

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http://serverfault.com – I'm using osx as a host and running windows 7 virtually. I originally had version 4.1.6 and when I plugged in usb devices it did not show up in the device manager, however it would prompt me that the drivers could not be installed. I now installed 4.1.8 with the oracle extension and got a better result. The usb device shows up in the device manager but with a yellow symbol signifying that its not working. I also get no noise when you plug in a usb device. Keep on mind, I'm plugging in simple devices like a thumb drive etc... any ideas? (HowTos)