In order to install the correct driver software for the Wireless USB Adapter, please do the following: 1. Open Windows Start Menu -> Settings -> Control Panel -> System -> Hardware -> Device Manager. 2. Select Other Devices and delete the USB WLAN device. 3. Unplug the Wireless USB Adapter. 4. Start the installation from the CD-ROM with the Wireless USB Adapter unplugged. 5. You will be asked during the installation to plug the adapter in again.