microsoft security essentials windows server 2012

This installed version 4.8 of Microsoft Security Essentials.Īfter running Windows update it found KB3140527 which came out and was an update for Microsoft Security Essentials, version 4.9.218.0 to be exact as shown below.

In this example I first downloaded and installed the latest version of Microsoft Security Essentials from Microsoft by following these steps.

This post is aimed toward those that have knowingly installed Microsoft Security Essentials on an unsupported operating system such as Windows Server 2012 R2 and want to update it. Here I will discuss why this happens and then cover how to resolve this problem and update Microsoft Security Essentials manually.įrom my experience definition updates have still been working fine through Windows update, so far I have only had a problem with this update, which is an update specifically for a newer version of the antimalware client itself.Ī note to Windows 8, 8.1 or 10 users receiving this error for a Microsoft Security Essentials update: The built-in Windows Defender replaces Microsoft Security Essentials, if you have previously installed Microsoft Security Essentials but updated your operating system version it may no longer be supported and it should be safe to uninstall as Defender has taken over. Recently I covered how to install Microsoft Security Essentials in Windows Server 2012 R2, however after performing a Windows update it failed to install with error 0x8004FF04.

Microsoft security essentials windows server 2012