Prerequisites for using DriverInstaller: - Close Watcher - There is an 'Installer_parameters.xml' file in the same directory as DriverInstaller.exe - There is a 'Drivers' directory in the same directory as DriverInstaller.exe Command line options: -r : uninstall drivers from system -l : enable logging (Creates an 'Install_Log.txt' file with installation details) Usage example: "C:>DriverInstaller -l -r" Note: If you have old drivers that are WQHL'ed on your system and you are trying to upgrade to an unsigned driver, please plug in the device before using DriverInstaller. Troubleshooting: If you notice any problems after running DriverInstaller to install drivers for your device, try running DriverInstaller with the uninstall option ('-r') before running it again to re-install your drivers.