MakeUseOf Answers is a Q&A forum. Our community solves your questions about anything related to the Internet and computers. It's free. Ask A QuestionQuestions tagged "microsoft security essentials" All questions Resolved Unresolved Why can I not get rid of win32:killav.DR Trojan? Is “Microsoft Safety Scanner” an add on or an independent antivirus software? Why has Microsoft Security Essentials suddenly stopped automatic updates? How can I install Microsoft Security Essentials in Windows 8? Why is the CPU load / usage 100% for MsMpEng.exe and how to fix it?