This kind of double negation is for emphasis, right? It's stronger than "Not anything", I guess, and it doesn't imply "something"= no+not => positive.
mo35)I had just finished writing a TV script and was rushing to print it when my computer No cursor. No script. No nothing. In a panic, I called my friend Neil, a computer consultant. It turned out that I had a bad spyware, and that’s what was my computer’s breakdown.He asked if my machine was slow, and if a new toolbar had suddenly appeared―signs of spyware. I’m not exactly sure how I got it, but Neil removed it. We take our cars to the mechanic for regular checkups. Why do we expect our computers to run without the same care?