Microsoft recently released the servicing stack update for Windows 10 v1903 update users. Like most servicing stack updates, it's a quality improvement update aiming to fix minor issues. There is a direct download links for KB4509096 update below.

In case you have no idea, servicing stack updates are targeted updates which make changes and improvements to the servicing stack. In general, the servicing stack is responsible for Windows updates. If there is a problem or reliability issue with the servicing stack, that reflects in the Windows update and could make the system not to download the updates properly.

So, if you're facing any problems associated with Windows Update, it's advocated that you simply install the servicing stack update as soon as possible. For the most part, servicing stack update is a pretty minor one with a targeted focus.

You can install KB4509096 update via Windows Update. Just open laptop computer Settings app, visit "Update & Security -> Windows Update" page and click on the "Check for updates" button. Windows 10 will automatically download the update.

However, you may also download the KB4509096 installer for offline installation. Many of the useful once the updates are paused or when Windows Update is causing problems.

Direct Download KB4509096 Offline Installer

For all regular Windows update, Microsoft provides offline installers via the Microsoft update catalog website.

Here are the state direct download links for KB4509096 update. Just click around the download link depending on your system architecture and also the download will start immediately. Once downloaded, you can install it like any other Windows software. i.e, double-click on the installer and follow the on-screen instructions.

For simplicity of use, I've included as well the Windows 10 update size for 32-bit and 64-bit installers.

KB4509096 x86 (32-bit) offline installer (download size: 6.6 MB)
KB4509096 x64 (64-bit) offline installer (download size: 14.5 MB)

If you would like KB4509096 download links for Windows Server or ARM64 based systems, go to the Microsoft update catalog web site to find the appropriate links. All you need to do is click on the Download button next to the appropriate version.

KB4509096 Changes

Addresses a problem having a Secure Boot feature update that could cause BitLocker to enter recovery mode because of a race condition.

That's it.