Guest william_770 Posted February 29, 2012 Posted February 29, 2012 I recently installed Microsoft Security Essentials everything seemed fine but I'm now getting messages that computer has not passed validation and that security essentials will stop working in 30 days. I get instructions to download Security Essentials but when I try, I get message saying I already have it. What validation is it referring to and what do I do please. Continue reading... Quote
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