I have recommendations for specific security software and techniques in various places on the site. Here’s a short summary.
microsoft security essentials
A redirect virus can fool your browser into going to malicious web sites without your knowledge. I’ll outline my experience detecting and removing one.
Windows Defender is basically Security Essentials by another name… except for the time when it wasn’t. Defender is included in Windows 8, except if you want to run it offline. MSE is a download. Yes, it’s confusing, but I’ll explain.
Recently statements were made by a Microsoft spokesperson that some interpreted as implying that Microsoft was giving up on Microsoft Security Essentials. I went to the source and asked for clarification.
Malicious Software Removal Tool is something that’s downloaded and run by automatic updates, regardless of the anti-malware tools that you may already use, to provide a base level protection to the operating system.
The “potentially unprotected” warning seems fairly common in situations where you really are still protected. I’ll cover several theories as to why it might appear.