Nikon Coolscan 4000 is "Unable to find any active devices"

I am re-installing a Nikon Scanner, but get an "unable to find any active devices" error message.  In device manager, I get the message "This device is not working properly because Windows cannot load the drivers required for this device. (Code 31)".  Nikon support wasn't any help.
rangrAsked:
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Luc FrankenEMEA Server EngineerCommented:
try uninstalling the drivers (from safe mode), then reboot, then reinstall the drivers, then connecting the camera again.

LucF

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SnowguyCommented:
I have had some printers and scanners do the same thing to me on a ("I am re-installing a Nikon Scanner") re-installation.
It is usually a reg key that is stopping the re- install.
Look for some help here.

http://support.nikontech.com/cgi-bin/nikonusa.cfg/php/enduser/std_adp.php?p_sid=YNj8sgXg&p_lva=&p_faqid=361&p_created=1034995210&p_sp=cF9zcmNoPSZwX2dyaWRzb3J0PSZwX3Jvd19jbnQ9NDImcF9wcm9kX2x2bDE9MjUmcF9wcm9kX2x2bDI9MjcmcF9jYXRfbHZsMT1_YW55fiZwX3BhZ2U9MQ**&p_li
Luc FrankenEMEA Server EngineerCommented:
rangr, any feedback please...
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