Microsoft Security Essentials 4.2.223.1

Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up-to-date so you can be assured your PC is protected by the latest technology. Microsoft Security Essentials runs quietly and efficiently in the background so you’re free to use your Windows-based PC the way you want—without interruptions or long computer wait times. Microsoft Security Essentials is efficient and compact. Scans and updates are scheduled to run when the PC is idle and the software works in a way that your PC is still snappy when you’re using it. All this makes Microsoft Security Essentials friendly for all sorts of computers—your old PC, your new PC, your laptop, as well as your little netbook.

Before installing Microsoft Security Essentials, we recommend that you uninstall other antivirus software already running on your PC. Running more than one antivirus program at the same time can potentially cause conflicts that affect PC performance.

*Your PC must run genuine Windows to install Microsoft Security Essentials.

Download: Microsoft Security Essentials 4.2.223.1 | ~ 12 MB (Freeware)
View: MSE Website | Image via Google

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Version downloaded is the same as the previous version 4.2.223.0. Downloaded from Microsoft and got same version at their download site. Seems like there is no version 4.2.223.1 to be found. I did notice that in the Control Panel under Programs and Features it shows the version 4.2.223.1 installed. Under Help - About in the program it says that version 4.2.223.0 is installed. Go figure??????