I’m human, Google !

I was googling something and google suddenly said sorry to me. It says my computer is sending automated queries. I was just googling “magento programmer developer nepal” by changing the word position at each time. I just googled this way for at most 5 times.
Google help says the following thing about this issue:

I got attacked by this frustrating and irritating worm called “Trojan.W32.Looksky”. Once you get this worm in your computer, you will surely be eager to kill and delete this coz’ it’s so… irritating, always getting pop-up with the following message:
Security Warning!