Initially the problem manifests itself as the XP machine asking for drivers when the Tether option is enabled on the connected phone. The answer to that has been documented
) already -- use tetherxp.inf
) to tell XP how to use the driver files (that it already has) for the tether. The problem is - unless you've [COLOR=#812528 !important][COLOR=#812528 !important]installed[/COLOR][/COLOR] a device at some point whose drivers included an updated set of Remote NDIS (RNDIS) drivers, this will fail on XP SP2 and lower
. It will appear to work up until the end of the driver installation whereupon the New Hardware Wizard will report "The device cannot start. (Code 10)".