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 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?