... but your computer or network may be sending automated queries. To protect our users, we can't process your request right now.
That's the first time i've seen google deliver such a message. I have a page of standard searches that I make every so often, but not often. It saves me typing in the operators each time, I simply click on the link.
I wonder if google are tightening up on that.
It's true that i'm probably a high usage search, but not that high. In fact, i've been using bing more than google in the last few months.