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LPC2148 HID example program not working?

I can NOT get this example to work?
I have been using the MCB2140 for several weeks, no problem there. I can open the HID project in uVision3, compile it, download it, run it, step thru it.

Then I remove the USB cable , wait 10 seconds (yes, I read and followed the instructions), plug the USB cable back in and my PC (running XP) says
"USB Device Not Recogonized"


When I go into the device properties, the Device status is:
" No drivers are installed for this device."

Has anybody else had this problem?
Am I missing something obvious?

I did not modify the HID code at all, should I? If anyone can pass along ANY kind of hint, tip or otherwise useful information, I would really appreciate it.

Thanks,
Dave

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