I get similar messages when using my mobile to PPrune, have to log back in every 5-10 mins or so, I'm using opera mini, on an htc handheld computer/phone thingy. It might have something to do with all the data going via a server in Oslo, to translate the page for a small screen. I'm guessing at Oslo, but that is where the ads on google seem to think I am. Mind you, on the home PC, geolocation (
www.ip2location.com) seems to think I'm on the Isle of Man