Google Error

[ripley]

We're sorry...

... but your query looks similar to automated requests from a
computer virus or spyware application. To protect our users, we can't
process your request right now.

We'll restore your access as quickly as possible, so try again
soon. In the meantime, if you suspect that your computer or network has
been infected, you might want to run a virus checker or spyware remover
to make sure that your systems are free of viruses and other spurious
software.

We apologize for the inconvenience, and hope we'll see you again on
Google.

请问大家这是怎么回事，我用诺顿杀过毒，而且防护也开着的。难道我真的中毒了吗？