Yup, I've got the latest software --
Update file for Polar Precision Performance SW
Version:4.03.050, Date: December 20, 2007
And we have to assume I have all the right drivers because it works fine without the hub and Polar's site says:
Polar IR interface USB limited drivers for Windows XP
Install these drivers ONLY if you get a blue screen/if your computer crashes when unplugging Polar IR USB interface from the USB port on Windows XP.



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