best antivirus for PC

Recently, I have new friends in New Delhi, it is good stuff is not cheap, cheap goods not good ah! A few days ago I was using my computer to write programs, this is about to be completed, the computer suddenly crashes, can not be opened. I’m really mad, busy all day I die, which under all wasted. I carried a trace of luck with a computer to computer repair shop, the result is a virus, I write programs can not be recovered. Recommended by business I would replace the best antivirus for PC, hope this thing has not happened. Indeed, after I installed the best antivirus for PC computers easier to use than before, and in a similar thing had happened in the virus.