Thanks Guys,

I tried Bandy's advice, and it worked in so far as old connections weren't prompted for. However, no Internet, it times out quite quickly. also cannot ping other computers on network

Is this correct behaviour. Noodles, I have a domain with wireless ap and this laptop I have experimented with is non-domain, as it would be in real life

So, if you have a domain and an unsecure ap, you must be relatively safe?