I cannot succesfully install Windows 7 Home Premium on a 27" iMac (Late 2009)
Nor does bootcamp download support software. It searches, but says not available
Sometimes the servers are down, and you get that error. Be patient and keep trying. Wait a day or two. Or see the following article for a quicker solution: Mac OS X Lion, Snow Leopard, Leopard - Download Bootcamp Drivers.
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