In rare cases, it is possible that the Windows Vista and Windows 7 pre-installed driver prevent the installation of the smart card driver package for all drivers associated components are installed correctly. This problem can be fixed by doing the following : Click "Start - Programs - Cherry Smart Card" to "Setup". then in the next step "Change" and "Next". You will then receive a list of all components. Now click with the left mouse button in succession. Click on” hard disk" on the first 5 installation options tab to install the complete option. Then click "Next" to start the installation process. Follow the instructions of the installer, and finally click "Finish".