Should just add, I find it much better to let P.C. (running Vista) to look after all network settings. I have not installed any B.T. software. Set up using Hubs security details as supplied (are they still using W.E.P. I wonder) and then change Hub settings to WPA PSK with you're own key, at this point you lose connection, don't panic just go into P.C.s network settings and (for Vista) select use WPA PERSONAL and enter new key.
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