A new breed of rogue program was observed to be propagating on the Internet as a fake Microsoft Security Essentials Alert.Unlike previous counterfeit programs, this one is promoting sets of programs together with other legitimate anti-virus applications.It is the latter case when you need to download and install the Microsoft Security Essentials Definition Updates.One important thing is to download the correct definitions for your system’s architecture: 32-bit or 64-bit.For more information on the legitimate Microsoft Security Essentials, you can visit this page.This kind of infection can be acquired when user have executed malicious file from contracted web site.You can even schedule a task for the above mentioned command using Windows Task Scheduler.If you have already installed Microsoft Security Essentials final on one of your Windows machines that has no internet connection and looking for a way to update the virus definition updates, here is a quick and easy solution.
You can also create a shortcut for the command and place it on Desktop or Quick launch toolbar or pin it to Windows 7 Taskbar.
You can find it easily by opening system properties (use Windows Pause/Break key to open system properties).
Step 2: Next, download the offline definition updates for MSE from Microsoft: Download for 32-bit Download for 64-bit Just save the file on a USB stick so that you can connect the USB stick to the offline machine and then update MSE.
Although Microsoft clearly states on the Microsoft Security Essentials system requirements page that an Internet connection is required for installation and to download the latest virus and spyware definitions, you can still update the MSE offline.
Of course, you need a computer with Internet connection to download the offline updates!