At one time, I was regularly installing MS Security Essentials on my own and   
   other people's computers - PC Magazine took a look at the current MS Windows   
   Defender:   
      
   http://www.pcmag.com/article2/0,2817,1926596,00.asp   
      
   Their conclusion - "This is not the protection you're looking for."   
      
   "Testing reveals that you'll be much, much better off installing almost any   
   other free antivirus utility."   
      
   They rate it 1 1/2 out of 5.   
      
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