i want to buy something on ebay but when i go to sign in or after i click buy it now i get this

The page cannot be found
The page you are looking for might have been removed, had its name changed, or is temporarily unavailable.

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Please try the following:

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Open the cgi.ebay.co.uk home page, and then look for links to the information you want.
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HTTP 400 - Bad Request
Internet Explorer


can anyone tell me y i am getting this as its a crimbo gift for my nephew and a running out of time