The full error message reads "The software you are installing has not passed Windows Logo testing to verify its compatibility with Windows XP. Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future. Microsoft strongly recommends that you stop this installation now and contact the software vendor for software that has passed Windows Logo testing"
Our driver has been fully tested with Windows XP. Press the "Continue Anyway" button so that the installer can finish installing the DVC 120 driver.