<A target="_blank" href="http://searchsecurity.techtarget.com/news/article/0,289142,sid14_gci1381423,00.html?track=sy160&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+techtarget%2FSearchsecurity%2FSecurityWire+%28SearchSecurity+%3A+Security+Wire+Daily+News%29">If your Windows machine blue-screened after this last patch release from Microsoft</A>, security researcher Patrick W. Barnes says the chances are good your machine was already infected with a rootkit.