Windows 10 1803 version is updated with KB4489868 as of Tuesday, March 12, 2019. This is the final version of the delta update and also includes a single enhancement. The patch does include security updates for different Windows components.
The cumulative update via Windows update or alternatively, you are eligible to download it as an MSU file on the Microsoft update catalog. The file will require an installation manual rather than. Let’s look into the details of the patch in the coming days.
Microsoft KB4489868 Windows 10 1803 Details of Improvement

Here’s the full description of the enhancement that KB4489868 includes Here is the complete list of improvements in KB4489868.
The patch is designed to fix Error 1309 that occurs when installing or uninstalling certain types of MSI and MSP files.
This includes security updates for different Windows components such as IE (Internet Explorer) as well as Edge browsers. Scripting Engine, Windows Shell, Windows App Platform and Frameworks, Windows Input and Composition, Windows Storage and File systems, Windows Wireless Networking, Windows Fundamentals, Windows Hyper-V, Windows Server, Windows Linux, Window Kernel, Windows MSXML, and the Microsoft JET Database Engine.
If you have installed previous updates, you will only get the one improvement in this package can be installed and downloaded.
For more details on the security flaws that were fixed go to this Errorslab.
How can I obtain the latest cumulative update

Prior to installation, install KB4489868 Windows 10 1803 –
Do not forget to install the most current SSU prior to making the update. This improves the reliability of the update process and reduce the risk of issues when installing KB4489868 as well as applying Microsoft security updates. Once you’re ready, take the steps below –
Step 1: Open Windows Settings (Win+I) and choose Update & Security once the app has been installed.
Step 2: Take a look at the right side of the page, and click on the Check for updates button.
To download the KB4489868 standalone, visit the Microsoft Update Catalog Website. Find the appropriate architecture and then click”download button. If a pop-up window appears, click on an option to download it.
Security fixes
The most important aspect is that it fixes security issues within Windows 10 and the native browsers (Microsoft Edge and Internet Explorer) however, it also addresses security issues in other modules, such as that of the Windows kernel as well as the scripting engine.
There are many non-security improvements included in this cumulative update and although the complete release notes are below, there’s one worth mentioning.
For instance the cumulative update KB4489868 solves a problem that was introduced previously through an earlier patch, that led to an error code 1309 while installing or uninstalling certain types of MSI and MSP files according to Microsoft themselves explained.
As of the writing time of this post, I’m not conscious of any failures in installations and I’m fairly certain there are a lot of users out who are worried about the possibility that KB4489868 might be experiencing this issue. It’s more or less become the norm for cumulative updates, however it appears that this isn’t the case for the latest update.
But I’ll be keeping in mind any potential issues that may be encountered by those who install the update. Please check back in a few days to determine whether installing KB4489868 will be feasible or not.