Fix Windows 10 Update error 0x800f0831

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If you during the installation of a Cumulative Update you encounter error 0x800f0831 on a Windows Server or on a Windows 10 client, then this post is intended to help you. In this post, we will identify the potential causes of this error as well as provide the solutions you can try to help you redress this issue.


Upon investigation, the most popular cause that will trigger this error message is a missing manifest of the previous update package. In other words, the WU (Windows Update) component is not aware of what was last installed, so it refuses to install new update packages.

You can also encounter this issue if Windows Update service is disabled or a missing .NET 3.5 Framework. Another potential cause of this error 0x800f0831 is whereby the Windows 10 client machine cannot communicate with Windows Update servers. This can be due to system file corruption or VPN connections or Proxy servers.

If a Feature Update or Cumulative Update has failed with error code 0x800f0831, on Windows Server or Windows 10 client machines, then here are some suggestions that may help you.

  Run Windows Update Troubleshooter

  Manually install the Feature or Cumulative update

  Uninstall the VPN client or remove the Proxy server (if applicable)

  Set the status of Windows Update to Automatic

  Enable .NET Framework 3.5

  Install .NET Framework 3.5 via Command Prompt

  Run SFC & DISM scans

  Perform System Restore

  Perform a Fresh Start, In-place upgrade repair or clean install

Let’s take a look at the description of the process involved in relation to each of the listed solutions.

1] Run Windows Update Troubleshooter

This solution requires you to run the Windows 10 Update Troubleshooter and see if that resolves the error. If this doesn’t work, you can continue with the next solution.

2] Manually install the Feature or Cumulative update

This solution requires you manually download the Cumulative Update from Microsoft Update Catalog and then install the package. To install a Feature Update, you may use Windows Update Assistant. On successful installation, the error will no longer appear.

3] Uninstall the VPN client or remove the Proxy server (if applicable)

A VPN client or a Proxy server could trigger this error due to some kind of interference that ends up blocking communications between your Windows 10 client machine and the Windows Update server. In this case, you can try uninstalling your VPN software via the Programs and Features applet in Windows 10 or remove any proxy server from your computer and see if that resolves the issue.

4] Set the status of Windows Update to Automatic

If the computer that’s experiencing the failed Windows Update installation is part of a shared domain, it’s possible that a network policy or a 3rd party system optimizer tool has ended up disabling the main service responsible for the updating function. In this case, you can get the issue resolved by setting the Windows Update service Startup Type to Automatic and force start the Windows Update service.

Here’s how:

  Press Windows key + R.

  In the Run dialog box, type services.msc and hit Enter to open Services.

  In the Services window, scroll and locate the Windows Update service.

  Double-click on the entry to edit its properties.

  Make sure that the option under the Startup type menu in the service’s properties window is set to Automatic from the drop-down. Confirm any dialog boxes which may appear when changing the startup type.

  Click Apply > OK to save changes.

  Restart the computer.

On boot, check to see if the issue is resolved. In case the startup type of Windows Update was already set to Automatic and this didn’t resolve the issue, proceed with the next solution.

5] Enable .NET Framework 3.5

If you’re encountering the error 0x800f0831 when trying to install a cumulative update, you should explore the possibility of a disabled .NET 3.5 framework. Cumulative updates installation processes are rather more complex and might fail unless every needed dependency is enabled. In this case, you can try using the Windows Features menu to ensure that .NET 3.5 framework is enabled.

6] Install .NET Framework 3.5 via Command Prompt

If enabling, .NET 3.5 framework via the Windows Features menu was unsuccessful, you can try to force the installation yourself by installing the missing framework from an elevated Command Prompt.

First, you’ll need a Windows 10 installation media. Then you can follow the instruction below to force the installation of.NET Framework 3.5from an elevated CMD prompt.

Insert the Windows 10 installation media into your computer.

Press Windows key + R.

In the Run dialog box type notepad and press CTRL + SHIFT + ENTER to open Notepad with admin privilege.

Copy and paste the syntax below into Notepad.

@echo off Title .NET Framework 3.5 Offline Installer for %%I in (D E F G H I J K L M N O P Q R S T U V W X Y Z) do if exist “%%I:\\sources\install.wim” set setupdrv=%%I if defined setupdrv ( echo Found drive %setupdrv% echo Installing .NET Framework 3.5… Dism /online /enable-feature /featurename:NetFX3 /All /Source:PLACEHOLDER:\sources\sxs /LimitAccess echo. echo .NET
Framework 3.5 should be installed echo. ) else ( echo No installation media found! echo Insert DVD or USB flash drive and run this file once again. echo. ) pause

Note: Replace PLACEHOLDER in the syntax with the letter of the drive that’s currently holding the installation media.

Save the file with a name and append the .cmd file extension – 

eg; InstallDOTnet3.5.cmd.

Now, right-click the file and choose Run as administrator from the context menu.

Next, click Yes at the confirmation prompt and wait for the process to complete.
Once the .NET 3.5 Framework is installed, restart your computer and see if the Cumulative Update error 0x800f0831 is resolved at the next computer startup. If not, continue with the next solution.

7] Run SFC and DISM scans

If you’re still grappling with the error it’s most likely that the issue is actually caused by some kind of system file corruption. In which case, you can run the SFC/DISM scan and see if that helps.

The SFC/DISM is a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files.
For the purposes of ease and convenience, you can run the scan using the procedure below.

Press Windows key + R.

In the Run dialog box, type notepad and hit Enter to open Notepad.

Copy and paste the command below into the text editor.

@echo off date /t & time /t echo Dism /Online /Cleanup-Image /StartComponentCleanup Dism /Online /Cleanup-Image /StartComponentCleanup echo … date /t & time /t echo Dism /Online /Cleanup-Image /RestoreHealth Dism /Online /Cleanup-Image /RestoreHealth echo … date /t & time /t echo SFC /scannow SFC /scannow date /t & time /t pause

Save the file with a name and append the .bat file extension – 

eg; SFC_DISM_scan.bat.

Repeatedly run the batch file with admin privilege (right-click the saved file and select Run as Administrator from the context menu) until it reports no errors.

Restart your PC.

On boot, check to see if the issue is resolved. If not, continue with the next solution.

8] Perform System Restore

If you only started noticing this Cumulative Update error 0x800f0831 recently after a driver or update installation or after an unexpected machine shutdown, and none of the pending updates are installed, it’s likely that a recent system change has brought about this inability to install updates. In this case, you can try System Restore (Caveat: any changes like application install, user preferences and anything else made after the snapshot that you’ll be reverting to was created will be lost) and see if that helps.

To perform System Restore, do the following:

  Press Windows key + R.

  In the Run dialog box, type rstrui and hit Enter to open up the System Restore Wizard.

  Once you arrive at the initial screen of System Restore, click Next to advance to the next window.

  At the next screen, start by checking the box associated with Show more restore points.

  After you’ve done this, select a point which has an older date than the one in which you first started to notice the error.

  Click Next to advance to the next menu.

  Click Finish and confirm at the final prompt.

At the next system startup, your older computer state will be enforced. If the issue persists, you can try the next solution.

9] Perform a Fresh Start, In-place upgrade repair or clean install

At this point, if the Cumulative Update error 0x800f0831 is still unresolved, it’s most likely due to some kind of system corruption that cannot be resolved conventionally. In this case, you can try Fresh Start, In-place upgrade repair or clean install to reset every Windows component.

Hopefully, any of these solutions should fix the issue for you!. If you are still facing any issue then do let us know in the comment section below. We will definitely try to help you out. You can also read Article Windows 10 Stuck On Checking For Updates? Here’s The Fix, How to Fix Black Screen Issues on Windows 10https://www.computerguru.tech/2020/03/how-to-fix-black-screen-issues-on.html

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