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
AT&T Takes 200,000 iPhone 4S pre-orders with in 12 hours and Sprint Sells Out –
Yesterday AT&T reported that they had processed 200,000 pre-orders for the iPhone 4S with in the first 12 hours , This makes it the most successful iPhone launch yet. These 200,000 orders only come during the first 12 hours of sales. The 200,000 is not including the pre-orders from Apple and
also from other networks such Verizon Wireless and Sprint (Sprint Sold out of the 16GB iPhone $S)
AT&T has seen extraordinary demand for iPhone 4S with more than 200,000 preorders in the first 12 hours alone, the most successful iPhone launch we’ve ever had. It’s obvious customers like AT&T’s 4G network, which is the only one that lets their iPhone download twice as fast and talk and surf simultaneously.
This is an massive amount sold by AT&T as last year the total number of pre-orders on the launch day was 600,000 including all networks.