

To protect data, it also creates System Restore checkpoints before removing the detected malware. Based on these virus definitions, it provides real-time protection, constantly monitoring activities on the computer, and scanning new files as they are created or downloaded from the Internet. It automatically checks and downloads the latest virus definitions from Microsoft Update which is updated three times a day. Microsoft Security Essentials (MSE) is an antivirus software product that protects against different types of malicious software, such as computer viruses, spyware, rootkits, and trojan horses. Introduction to Microsoft Security Essentials Microsoft Security Essentials System Requirements.

