Make sure all applications (including any screen savers and virus protectors) are closed before you install the software. If any applications were open, uninstall the software (Windows or Macintosh), then reinstall the software (Windows or Macintosh).
If you see an error message or your software doesn’t install correctly in Windows, you may not have software installation privileges. Contact your System Administrator.
Make sure the USB Controller is working properly in Device Manager. See your Windows help system for details. If it's not working, contact your computer manufacturer.