Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
BestBuy Expecting iPhone 5 To be able to preorder in 1st Week of October –
BGR leaked a document sent to them by a BestBuy source, It suggests that BestBuy are anticipating taking preorders for the iPhone 5 starting in the first week of October.
BGR have since posted a update from there source saying
Our source clarified that it’s actually possible presales will be starting this week with the phone arriving in the first week of October, not preorders starting in October.