Yes, look in ZA settings - it is trying to check for updates. Nothing wrong with that but a pain if you are on dial-up. Sorry but I have long since dispensed with ZA so I can't tell you exactly where to look.
WPA2 hack: How secure is your Wi-Fi?
Add Depth Of Field to a photo using Tilt Shift Blur in Photoshop
iPhone tips & tricks
Comment afficher des fichiers cachés sur Mac ?