In order to fix the issue, right-click on Computer icon, select Manage and open Device Manager. Expand the Network Adapters and Universal Serial Bus Controllers lists, right-click on the Wimax driver and select Uninstall. After that, reboot your computer, connect the USB device and press Scan for hardware changes icon from Device Manager. Windows should automatically find and install the drivers. If the problem persists, run the Fix It utility provided by Microsoft.