Windows Update Error 0x800f0831: What Are the Causes and How to Fix It

Are you stuck dealing with a pesky Windows update error codes? While Windows Update Errors can pose some serious challenges, Error code 0x800f0831 isn’t too tough if you have the right knowledge, so if you’re ready to put an end to that frustration once and for all, read on!

This blog will provide clear insight into what’s causing the issue so you can fix windows update error 0x800f0831 rapidly without much trouble. Let’s jump right in and sort out this conundrum!

What Causes Error Code 0x800f0831?

This Windows Update Error is typically caused when attempting to install a cumulative update. It can also be caused if your computer does not have enough storage space for the Update or if you’re running an older version of Windows 10, like 1803 or earlier. In addition, there can be various other issues that can cause Windows Update Error 0x800f0831, such as:

  • System files are corrupt or missing.
  • Antivirus or malware blocking the Update from downloading completely
  • The Windows Update service is not running correctly on your computer.
  • Your device drivers are outdated, causing compatibility issues with the Update.
  • You may also encounter this error if you haven’t installed all the updates available on your computer.

How To Rectify The Issue of Windows Update Error 0x800f0831

Even though Microsoft hasn’t released any patches to address error 0x800f0831, there are still some ways that can help you in fixing the error. Let’s take a look at some of the most effective solutions:

Windows Update Error 0x800f0831

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Fix 1: Disable Any Proxy Server

Having a proxy server enabled on your Windows 10 computer could be causing the error. The best way to check if this is the problem is by disabling the proxy server settings from your computer’s internet settings or within any third-party software that you may have installed.

Here are the steps to Disable Proxy Server:

  1. Search for “Settings” in the search bar and open the application.
  2. Select Network and Internet from the options and click Proxy.Proxy settings
  3. Under “Manual proxy setup”, turn off Use a proxy server.Use a proxy server
  4. Restart your computer and re-check if the error has been resolved.

Once you’ve disabled the proxy option, try running Windows Update again and see if the error is resolved.

Fix 2: Disable Windows Firewall Temporarily

Windows Firewall is often responsible for blocking the Windows Update service, which in turn can cause this error code. To check if this is the issue with your computer, you should temporarily disable Windows Firewall and see if it helps you to install any pending updates without getting the 0x800f0831 error.

Here are the steps to Disable Windows Firewall:

  1. In the Search Section of your Task Bar, search defender firewall and select Windows Defender Firewall.Search Defender Firewall
  2. Locate and click Turn Windows Defender Firewall on or off option on the left side.Turn defender firewall on or off
  3. Disable Windows Defender Firewall temporarily under private and public network headings and click the OK button.
    Turn off defender firewall settings
  4. Try to update again.

Note: Ensure to turn Windows Firewall back on, as it is an essential tool by Microsoft to protect your computer from online threats.

Fix 3: Disable Windows Defender or Other Third-Party Antivirus Software

Another possible reason for the 0x800f0831 Windows Update error is a third-party antivirus software installed on your computer. To fix the error, you should disable Windows Defender or any other antivirus temporarily and then try to install the updates again.

Here are the steps to disable Windows Defender:

  1. Click the Start button and select Settings from the Start Menu.
  2. Under the Settings window, select Update & security.
  3. Switch to the Windows Security tab on the left and select click Virus & threat protection on the right.virus and threat protection
  4. Look for the “Virus & threat protection settings” heading and click the Manage settings option below.manage settings
  5. Temporarily disable the following options by toggling the button:
    • Real-time Protection
    • Cloud-delivered Protection
    • Automatic sample submission
    • Tamper Protectiondisable security options

Fix 4: Locate the missing KB package

The 0x800f0831 error can also occur due to the missing KB package that does not permit a newer update to install. To fix this, you should check which installation package is absent and manually download it from Microsoft Update Catalog for installation.

Here are the steps to download KB Package:

  1. Use the Win key + E to launch Windows File Explorer.
  2. Reach the CBS logs by Navigating to C:\Windows\Logs\CBS.
  3. Double-click the CBS.log file to access the log file
  4. Locate the information on the 0x800f0831 error manually or with the find command by using Ctrl + F with specific keywords (In this case: 0x800f0831)search for 0x800f0831
  5. The KB number is to be noted along one of these lines.
  6. Get the missing software by going to Microsoft’s Update Catalog site.
  7. Restart your Device and run Windows updates as per the instructions provided by Microsoft.

Fix 5: Run The Windows System File Checker Tool

The next solution to try is running the Windows system file checker (SFC) tool. This is a utility that scans and repairs any corrupted files in the system, which can be easily done by following these steps:

  1. Search for the “Command Prompt” on the Windows search box, right-click on its icon, and select Run as administrator.
    run command prompt as administrator
  2. Type SFC /scannow in the command prompt window and press Enter to execute it.sfc scan started
  3. Wait for the scan to finish. It might take a few minutes.sfc scan completed
  4. Once the scan is completed, you should be able to install updates properly.

Once the scan is complete, restart your computer and try running Windows Update again to check if the error 0x800f0831 still appears.

Fix 6: Reset Windows Update Components

If the above solutions don’t do the trick in correcting your 0x800f0831 error, it’s time to reset all Windows Update components as a last resort. This includes all essential services related to Windows Updates, such as BITS, MSI Installer, Cryptographic services, and more.

Here are the steps to Reset Windows Update Components:

  1. Open Command Prompt as an administrator
  2. At the command prompt, type wuauclt /resetauthorization /detectnow
  3. Wait for the command to finish running
  4. Restart your computer and try updating Windows again.


The error 0x800f0831 can be quite frustrating, and it’s important to understand the potential causes of this issue before attempting any fixes. Fortunately, there are different methods you can use to fix this problem, including disabling proxy servers, disabling Windows Firewall and third-party antivirus software, locating the missing KB package, and running the Windows system file checker tool. If all else fails, resetting your Windows Update components should do the trick.

We hope this article gave you the steps and information needed to fix the Windows Update error 0x800f0831.

What is error 0x800f0831?

Error 0x800f0831 is an error code that appears when trying to install Windows updates. It indicates a problem with either the proxy settings, firewall, or third-party antivirus software installed on your computer.

Can I resolve windows update error 0x800f0831 at home?

Yes, you can attempt to fix the Windows Update error 0x800f0831 at home. We recommend trying the steps outlined in this article before seeking further assistance from a qualified technician.

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