In order to install the update, we need to run it manually with these customizations in place.Windows update stores its downloaded update files in the C:\Windows\Software Distribution\Download folder with different hashes for the file names.
Assuming you selected the correct file from the Windows update folder, you should be greeted with the Microsoft Security Essentials upgrade wizard as shown below, simply click the Upgrade button to proceed.
Once the upgrade has completed, click the finish button to complete the process.
Windows' free security program, Microsoft Security Essentials, communicates with its server every day to download the most recent malware definitions and information.
When your program can't connect to the server, it can become out of date and may miss detection of the ever-increasing amount of malware lurking online.
By applying similar changes that were done when we installed it, including setting the compatibility mode to Windows 7 and running the executable with the /disableoslimit flag, we can successfully update Microsoft Security Essentials when newer updates become available through Windows update that are not yet available for download through the Windows website.
If you receive an error when you try to update MSE that Microsoft Security Essentials couldn’t check for or install virus & spyware definition updates with error code 0x80248014, then know that this is an error related to Windows Updates.If you had a look through my Microsoft Security Essentials installation guide, you may have noticed that error 8004FF04 came up there as well.Essentially the update is failing to install because it is not being run in compatibility mode for Windows 7, or with the /disableoslimit flag via Windows update causing it to fail.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.Here I will discuss why this happens and then cover how to resolve this problem and update Microsoft Security Essentials manually.You may receive this error while using MSE on Windows 7 or even when running Windows Update on Windows 10/8/7.