FIX: KB4338819 Windows 10 Cumulative Update Failed Error 0x80070020
Unable to install the Microsoft Cumulative update for Windows 10 Version 1803 (KB4338819)? Does the update throw error 0x80070020 or 0x800f0922 every time you try to install it from the Windows Update installer? Well, you’re not alone. Many Windows 10 users are facing a similar problem on their PCs.
Thankfully, you can fix the update failed problem by downloading and installing the update manually on your PC. Below are download links for all hardware types:
Download Cumulative Update for Windows 10 Version 1803 (KB4338819)
To install the update manually, download the cumulative update file appropriate for your PCs hardware from the download links above.
Double-click/run the .msu update file. You’ll get a prompt from Windows Update Standalone Installer, click on the Yes button to install the update.
Once the installation completes, restart your PC for the update to take effect.
After restarting the PC, check your Windows 10 version to verify that the update has been installed on your computer.
Tip: If the standalone installer fails to install the update as well, run check disk on all your drives and fix any error that it finds. Try installing the update again via the standalone installer after fixing drive errors.