To protect from latest threats, definitions for MSE must be updated even you are using it offline. Since MSE has been released by Microsoft to give real time protection to consumers and home users who are using Genuine Windows , users should make most of free anti-virus from Microsoft.
1. First read how to download virus definitions for MSE.
2. A file named “mpam-fe” will be saved to your computer.
3.Run the file and definitions are extracted to a folder and MSE will update definitions.