Installing OSX Lion using USB drive

Hello Everyone I have this problem after I created a usb boot drive so I can do a clean install. When i click on install a new copy of lion and after accepting the agreement it asks for your itumes id and password. I can't go any ferther because I get an error 500 please try again. Does anyone else have this problem?
Thanks

It sounds like the server is overloaded right now. There are a number of people experiencing this.
See other threads like : https://discussions.apple.com/message/15681843#15681843
MP

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diskutil eraseDisk jhfs+ "Macintosh HD" GPT /dev/disk0
Verify that you just have 3 partition, no more Recovery HD partition
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Hi,
I have a mid 2010 27 inch i5 machine and after I had installed OSX Lion last month the machine randomly shut itself down while I'm using it. At first I thought it was because of a software problem with Final Cut Pro X, since I installed that at the same time and it would shut down while I was using it. Then it start to shut down while I'm just browsing the net. Restarting is not a problem but a pain to loose unsafe data when it crashes.
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Installing OSX Lion using USB drive

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