404. That’s an error.
The requested URL /translate_c?depth=1&hl=de&prev=search&rurl=translate.google.de&sl=en&u=http://en.wikipedia.org/wiki/Alzheimer%27s_disease&usg=ALkJrhirrk6wEoDqkqlUD4K9NrVckpY3aw
was not found on this server. That’s all we know.