How to fix Windows update Install error 0x800700b7

The error code 0x800700b7 in Windows Update means that there is an issue with the installation process. This means, there is an interruption in the update installation, preventing it from completing successfully. In this article, I will be showing you how to fix Windows update Install error 0x800700b7. Please see Fix Windows cannot check for updates in Windows 8, 7, and 10, how to Turn off Automatic Updates in Windows via Windows Registry and Group Policy, and why the GPO is not the best solution for managing Windows updates.
Why was this Install error 0x800700b7 Prompted?
In addition to the above, the Windows update error 0x80073701 means that system files that are necessary for the update are missing.

Learn how to reinstall Server Manager and disable Server Manager at startup for all users and login users, and how to stop Windows from applying updates.
An alternative solution that did not work Error 0x800700b7
Also, the DISM RestoreHealth command did not resolve this issue.

As suggested by Microsoft to run the dism /online /cleanup-image /startcomponentcleanup etc.

This issue was not resolved after a restart.

Note: Even when you Reset Windows Update Components, this issue will persist. Therefore, save your time by following the steps below.
If you do not follow these steps, you will spend days without being able to resolve your issues. I am sure you do not want this.
Also, see How to reset and reinstall Windows 10 locally, how to Reset and reinstall Windows 10 from the cloud and how to recover your Windows 10 when you cannot boot to Windows.
Resolve Windows update Install error 0x800700b7
To fix this issue effectively, search for a suitable (recent) installation media for your Windows Server Edition.
Mount the ISO file and run the setup as shown below.

Select the Operating System

Accept the License terms

Select to keep personal files and apps as if you were upgrading.

Because I selected to install updates during the installation process, it will check for updates.

As you can see, from the Windows Settings, these updates are currently running. Please see this article to learn how to Fix Windows 10 Setup 1809 build 10.0.17763.1 is not supported Error
Ensure all found are applied incase it fails and retry the installation afterwards.

As you can see below, Windows Server is currently installing.

As you can see below, when the installation is complete, check for updates. If there are updates, apply them. But for us, this issue is fixed.

I hope you found this guide on How to fix Windows update Install error 0x800700b7 useful. Please feel free to leave a comment below.