This is a ransomware that can stop you from accessing things on your pc, and then the hacker may ask you to pay money (ransom) to use these files. Complete detail of the update is as follows: Newly added threat definition in Microsoft Security Essentials In this update Microsoft added a new threat definition and also updated some threat definitions. The latest update as per Microsoft’s website was released on this week. The Microsoft Team updates the Microsoft Security Essentials Software every day. What’s new in the latest version of Microsoft Security Essentials Download? In most cases, you should be able to restore files deleted by Windows Defender (be sure to turn on create System Restore points option on the settings page). In case the program doesn’t get a response from you, it’ll automatically handle them as per the instructions given by you in settings. Microsoft Security Essentials download also has a quarantine area where it will keep suspected files or programs, so you can have a look at them and deal with them as needed. The program will download the latest virus definitions from Windows update every day and will scan for malicious software as per the latest definitions.

Microsoft Security Essentials provide real-time protection to its users by constantly scanning files and other programs on your computer. MSEInstall 32 bit Windows Features of Microsoft Security Essentials (Windows Defender)

Mse 64 bit