This is because the PenX driver is not yet installed to work with the updated pen driver. Click OK. (PenX Driver Install): Install the PenX filter driver 1. Open the Mouse applet in the control panel. 2. Select the Hardware tab in the applet. 3. In the Devices list, select the Fujitsu Stylistic 3400 Pen device. 4. Click the Properties button. The driver properties dialog will be displayed. 5. Select the Driver tab. 6. Click the Update Driver button. This launches the Upgrade Device Driver Wizard. 7. Click the Next botton. 8. Select Display a list of the known drivers … 9. Click the Next button. This displays Select a Device Driver dialog. 10. Click on the Have Disk button. This displays the Install from Disk dialog. 11. Click on Browse button. This displays Locate File dialog. 12. Select the Moufiltr.Inf file in the “C:\Program Files\CIC” folder. Note that the file extension may not be displayed in the locate dialog. 13. Click Open button. This gets you back to Install from Disk dialog with “C:\Program Files\CIC” folder selected for Copy manufacturer’s files from option. 14. Click OK button. This gets you back to Select a Device Driver dialog. 15. Click Next button. Update Driver Warning dialog is displayed with Installing this device driver is not recommended… message. Click Yes to proceed. 16. Start Device Driver Installation dialog is displayed. 17. Click Next button. Digital Signature Not Found dialog is displayed. Click Yes button to proceed with installation. This dialog will not be displayed once the CIC driver is WHQL signed. 18. Files Needed dialog may be displayed. From the pull down list for Copy files from option, select the “C:\FPC\INSTALL\PENDRV”. 19. Click OK button. The driver will be updated and Completing the Upgrade Device Driver Wizard dialog will be displayed. 20. Click the Finish button. This takes you back to the Driver Properties dialog. 21. Click the Close button. You will be prompted to restart your computer. Click Yes to restart the computer. Note that in case you are not prompted to restart computer, it is recommended that you do restart your computer. 22. When the computer restarts, there should be no warning messages related to pen and the pen and PenX should be working.