How to Check Microsoft Security Essentials Program and Definition Updates

March 9, 2010 | Filed under Security, Windows


Microsoft Security Essentials (MSE) (previously codenamed Morro) is a free antivirus software created by Microsoft that provides protection against viruses, spyware, rootkits, and trojans for Windows XP (x86), Windows Vista, and Windows 7 (both x86 and x64), free of charge. MSE replaces Windows Live OneCare, a commercial subscription-based antivirus service and the free Windows Defender, which only protected users from adware and spyware.

Microsoft Security Essentials has got mixed reviews of good and not so good from different antivirus competitor companies but mostly reviews from end users has said to be effective against virus and doesn’t eat up a lot of system resource. The installer is only 7MB in size compared to most antivirus that is 50-100MB.

Keeping MSE up to date is very important. There has been a couple of updates that shows a different build version which aims to improve the detection and removal better but unfortunately the Windows Updates or Microsoft Updates, doesn’t update MSE to the latest build even if the Automatic Update is turned on. This article is to guide you on how to check for program and definition updates.

Checking Virus Definition Updates in MSE
– The virus definition update provides latest virus detection and having the latest means more virus are being protected from your computer. By default MSE auto checks for updates but you can manually do it via the Update tab and click the big Update button.

Checking Program Updates for MSE
– Program updates is as important as the virus definition update because the development team fixes bugs and improve the program so that it is able to work better and keep the computer stable. To check for MSE program updates, click the arrow pointing downwards that is just next to the Help at the top right. Then select Upgrade Microsoft Security Essentials.

Download Microsoft Security Essentials


2 Responses to “How to Check Microsoft Security Essentials Program and Definition Updates”
  1. lasan says:

    thanks for your tutorial on how to remove validation checks in microsoft essentials

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