I'd like to agree. But I can't. Even if disregard detection scores, Defender/Security Essentials is slow. It uses humongous amounts of CPU time, which slows dow

I'd like to agree. But I can't. Even if disregard detection scores, Defender/Security Essentials is slow. It uses humongous amounts of CPU time, which slows down slower PCs (like Celeron N3150) a lot. It also tends to saturate disk I/O. In short: It sucks so bad it's virtually unusable.