I'm running Window 7 perfectly happily except for one very annoying problem. I've not had the dissappearing data or anything else. The only thing is the refusal to link up to the outside world through either my wireless network at home or my Vodafone dongle at other time after waking from sleep mode. It does all the connecting bit but will not authorise the connection. As soon as you reboot it works just fine. Haven't got to the bottom of this yet either.