So I just realised I haven't actually updated my Multibit client on my PC in a while, whats the correct way to do this, can I just over-write the existing installation with the new installer, or should I uninstall the old one first?
Also will installing new version kill my existing wallet in it and would have to be re-instated via backup keys?
Probably best I wait till this whole TX-ID thing is sorted before updating I guess...