Hi,
Try this: go to Tools >> Install Legacy Driver Support. This seems strange but it should update the installed drivers. If this fails, there are some good suggestins at this thread:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RNAME=ViewQuestion&HOID=506500000008000000D8520000&ECategory=LabVIEW.LabVIEW+General
Hope this helps out! Let me know if this works for you.
Best Regards,
Aaron K.
Application Engineer
National Instruments