Windows Update Center is used to update Microsoft Windows and other Microsoft programs. Security updates, which are one of the most important services for your operating system, are regularly downloaded and installed by Windows. However, sometimes they can cause errors, which in this situation become a very unpleasant moment. One of these errors is the Windows Update Center error C8000266.

C8000266: Windows Update Center found an unknown error

In this guide, we have discussed some quick fixes to help you solve this problem. So, let’s get started.

Run the Windows Update Center troubleshooter

The answer to the causes of the Windows Update Center error code C8000266 has been identified as multiple errors during boot and installation. If this should happen, and you don’t want to get confused, run the Windows Update Center Troubleshooter.

There are two ways to run the troubleshooter. The first is to use Microsoft’s online troubleshooter. You can use Microsoft’s online troubleshooter to fix C800026 and other common errors. How to get started:

Reset Windows Update components manually

Now rename the SoftwareDistribution folder and Catroot2. You can do this by entering the following commands at the command line. After entering each command, press ENTER.

Now restart BITS, Cryptographic, MSI Installer and Windows Update Services. To do this, enter the following commands at the command line. After entering each command, press ENTER.

Type exit at the command prompt to close it.

Install Windows Update Center manually

Installation pending Windows updates

You can proceed to install Windows updates manually if you find that the methods described above don’t work for you. If you have several pending updates with error code C8000266, follow the instructions in the manual update process and remember that this will not fix the root cause of the error. You should know the details of the update you plan to install before you proceed with this procedure. Once you know which update to install, follow these steps:

C8000266 update error when upgrading Windows 10 is the most common error that occurs due to improper installation or failure to install updates. The above procedures can solve the update problem. You can easily perform the update if an error occurs during the update for any reason.

The above methods are useful and some users already find these solutions very reliable. You will need to back up your data before trying any of the solutions described here. They have also suggested maintaining an active Internet connection when using any of these processes. These processes fix Windows 10 update error C80000266. If you have any questions or comments, leave them in the comment box below.

We hope that the method described above will help you solve this problem.