But more than any other, the error code 80070436 appeared on Windows 8 after Microsoft ended support for it. That shouldn’t be the case anymore for most of you, but our solutions also help with that. So, let’s get to them!

What is code error 80070436?

Code 80070436 falls in the category of Windows Update errors and is usually easier to fix than similar update errors. There are a handful of reasons that trigger it, which makes troubleshooting simpler. Here are the reasons:

Corrupt Windows Update Components: A common reason behind update errors, corrupt Windows Update Components can lead to problems installing the latest version of the OS. Third-party app conflicts: A security software, third-party antivirus, firewall, or VPN can trigger the Code 80070436 in Windows. Relevant files are missing: In some cases, the files relevant to the update process are missing, or there are corrupt system files, which may lead to the error.

How can I fix error code 80070436?

Before we head to the slightly complex solutions, here are a few quick ones to try:

Restart both the computer and the modem/router. For the latter, make sure to unplug the power cable as well. Temporarily disable the installed third-party antivirus or firewall. We don’t usually see cases of Windows Security or the built-in firewall conflicting with the update, so you can keep these running. Check if the problem is mass reported because that indicates an issue with the server. In this case, you should wait for a while, probably even a day or two, and then retry the update.

If these don’t work, move to the fixes listed next.

1. Run the dedicated troubleshooter

One of the simplest and quicks ways to fix Code 80070436 or any other update error is to run the dedicated Windows Update troubleshooter. However, it wouldn’t be effective in every case.

2. Repair or replace corrupt system files

There is also specialized software like Fortect, an app that can automatically repair corrupt system files with new Windows components from its large repository.

3. Reconfigure component services

Once done with the changes, check whether the Code 80070436 disappears and you are able to install the latest updates.

4. Download updates from the Microsoft Update Catalog

Using the Microsoft Update Catalog, you can download and install any OS version that throws an error with Windows Update. Besides, if you were encountering Code 80070436 with a driver update, head to the manufacturer’s website to manually install the driver.

5. Perform an in-place upgrade

An in-place upgrade is a quick way to fix things when you get the Code 80070436 while updating Windows. Besides, it also boosts the system’s performance and helps get rid of several other issues. And you don’t lose installed apps or personal files during the process. If you frequently face such issues, check our curated list of the best Windows update repair tools to eliminate the problem quickly. Tell us which fix worked for you in the comments section below.

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