Recently, Microsoft updated the 21H2, 21H1, and 20H2 versions of Windows 10 with patch KB5012599. The typical number of upgrades and bug fixes have been included in this Update for your Windows computer. Nevertheless, the most recent version, which was released in April, brings a redesigned Windows search tool, as well as a new option to modify the color of the toast notification and additional features. Unfortunately, a few users have reported that they are having trouble installing Update KB5012599 on their respective systems.

After attempting to install the KB5012599 Windows 10 update, users have reported seeing the 0x800f0831 error code display on their screen. Those who have encountered the problem report that the update package downloads correctly, but the installation procedure fails and generates an error message. An issue that occurs during the updating process is considered a problem that has to be solved since Microsoft regularly releases significant feature upgrades and security patches.

It has been reported that installing the KB5012599 package makes quality improvements to the servicing stack. There are a variety of reasons why the installation could not go smoothly. The Software Distribution folder, corrupted system files, or Windows update components that are malfunctioning are the most common causes of this problem. In most cases, the process of upgrading may be fixed by utilizing a built-in update troubleshooter or by resetting the components that make up the update. In this article, we will look at “How to fix KB5012599 failed to install on Windows?”

Complete steps for How to fix KB5012599 failed to install on Windows

Clearing Windows Update Files:

If you are not comfortable with resetting Windows update components, you can clear windows to update files. Follow the appropriate steps to clear the Windows Update Files in the device:

Step 1: In the start menu search box, enter services.msc and press “Enter”.

Step 2: It will open the Windows services console, then scroll down until you find the Windows update service, then open it.

Step 3: Simply right-click the Windows Update Service icon, and then select the “Stop” option. 

Step 4: Repeat the process with BITS (Background Intelligent Transfer Service).

Step 5: While holding down the Windows key and the E key, navigate to the following location.

C:\Windows\SoftwareDistribution\Download

Step 6: You should delete anything that’s in the download folder, but you shouldn’t delete the folder itself. 

 Step 7: After using the CTRL + A keyboard shortcut to select everything, click delete on your keyboard to delete it all. 

 Step 8: Open Windows services again and restart both Windows Update and BITS services that you had previously halted.

 Step 9: Alternatively, you can rename the Software Distribution folder ( C:\Windows\).

 Step 10: After that, start the services that you had previously stopped, and then check once again to see if there are any new Windows updates.

Switching to Google DNS:

If your Windows update isn’t downloading or if you get stopped in the middle of downloading it, then you need to modify your DNS address.  Follow the appropriate steps to switch to Google DNS on the device:

Step 1: Press the Windows + R keys on your keyboard simultaneously.

Step 2: In the “Run” box, type control and then press the “Enter” key.

Step 3: You can access the Network and Sharing Centre by selecting the option from the Network and Internet menu.

Step 4: From the menu on the left, select the option to Change Adapter Settings.

Step 5: Select “Properties” from the context menu that appears when you right-click on the connection you are using at the moment.

Step 6: After scrolling down, choose Internet Protocol version 4 (TCP/IPv4) by clicking on it, and then select the Properties option.

Step 7: Select Use the following DNS Server addresses.

Step 8: Enter 1.1.1.1 into the box labeled “Preferred DNS server,” then type 1.0.0.1 into the box labeled “Alternative DNS server.” This will modify your DNS to point to a commonly used 1.1.1.1 server.

Step 9: To save your changes, click the “Ok” button.

Step 10: Then, install the latest version of Windows and then examine the issue to see whether it has been resolved.