"USB Device Not Recognized" error when I connect iPod to my PC

I have a brand new 5th gen (I think) iPod.
I have been able to connect it successfully to my home laptop, download music to it and play it so I know the iPod works per se and the cable is ok too.
Now at work (where tons of my music is) when I connect it to my PC here and I get a "USB Device Not Recognized" error pops up from my taskbar. When I click on the message it pops up a "USB Device Not Recognized" window which displays a list of USB ports, and shows "Unknown Device" for the one where the iPod is connected.
I think its probably USB1.something as opposed to USB2.0 but from what I understand that shouldn't matter.
Can anyone suggest anything ?
I've tried the 5R's as far as I can, and I read through this thread:
http://discussions.apple.com/thread.jspa?threadID=500559&tstart=15
but there didn't seem to be anything conclusive.
Thanks for any help,
Jill

First make sure the latest iTUnes is installed on this work PC, IF your allowed to install things on it, the latest iTunes version is 6.0.4.2 and can be downloaded from the apple site (Hit iPod+iTunes tab at the very top of this web page)
Another thing is what version of windows is the work PC? Is it windows XP Windows 2000 Or windows Me 98? iTunes will only run on XP and 2000

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my ipod is nearly about 1 year old.
i use my ipod nano 2GB for music and as a flashdrive to store my uni work.
this morning accessing my files in the ipod on the computer was fine.
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