How to Fix Windows Update “Error Code: 0x80070026”

Error 0x80070026 occurs when users try to update their windows to the latest available version. Before jumping into the solutions bit we’ll discuss a bit about what might be causing this error for you.

fix error 0x80070026

What Causes the error 0x80070026 to occur

There are a few things that might be causing this error on your Windows PC, Before diving right into the solutions we’ll have an overlook over what might be the causes of this error.

  • Disabled services- A number of services work as a pack together in order to bring and install the latest windows updates to the user’s PC. If any of these services are disabled it may cause an inconvenience in updating the windows hence causing error 0x80070026 to occur
  • Corrupt system files- Corrupt system file basically refers to root files that have been damaged and are deemed useless. However, they can be fixed by an SFC scan.
  • Antivirus blocking installation- Your third-party antivirus or windows defender might be interfering with the installation of windows updates. Users have reported this issue and the fix is straightforward we’ll disable the antivirus 
  • Hardware conflicts- Disconnect all of your peripheral devices from your computer if some of them, such USB sticks, game controllers, and others, are attached since they can block you from updating Windows.
  • Driver Intrusion- Occasionally, our device drivers collide, which might lead to this problem. To avoid this, unplug all of your peripheral devices and try updating Windows.
  • Internet connection instability- If your internet is unreliable, the 0x80070026 issue might be a result of this. Retrying when the internet has stabilised is recommended.

Now that we are aware of the factors that might be causing us the error 0x80070026. we can jump onto some effective methods that have helped users fix similar errors.

1. Run Windows Update troubleshooter

Windows Update troubleshooter is a tool that can help her resolve error 0x80070026 as this tool’s job is to scrutinize the system files and replace corrupt files found in the procedure.To run the windows update troubleshooter follow these below-mentioned steps

  1. Press the Windows key and in the search box type in settings or alternatively press the Windows + I simultaneously.
    Running windows update troubleshooter
  2. In the search box type Troubleshoot other problem and click on it.
    Running windows update troubleshooter
  3. Now tap on the Windows Update box and click on Run the troubleshooter to start the process.
    running windows update troubleshooter
  4. This process will take anywhere around a minute or more depending on the seriousness of the repairs. 
    Running windows update troubleshooter

    Once done, try updating the windows again. If the error persists continue to the next step.

2. Reset Updates Components

In simple words, Windows Update components are a bunch of services that work together to provide users with smooth updating of their windows 10 or other Windows versions. The Update components consist of BITS(Background intelligent transfer service), wuauserv or displayed as Windows Update service which enables the detection, download, and installation of updates for Windows and other programs. In order to reset windows update components follow the below-mentioned steps:

  1. Press Windows Key and search for PowerShell and run as administrator.
  2. Once Powershell is opened, paste in the following commands in the PowerShell.
    Net Stop bits
    Net Stop wuauserv
    Net Stop appidsvc
    Net Stop cryptsvc
    Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak
    Ren %Systemroot%\SoftwareDistribution\Download Download.bak
    Ren %Systemroot%\System32\catroot2 catroot2.bak
    Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat"
    Net Start bits
    Net Start wuauserv
    Net Start appidsvc
    Net Start cryptsvc
  3. Once Pasted hit the enter key, it will take some time for the commands to execute. This will reset the essential windows update components.

Once the components have been refreshed, try updating windows. If the problem persists continue to the next step.

3. Run DISM

Deployment Image Servicing and Management is a built-in windows tool which is used to manage system images end-to-end. Follow these steps to run DISM commands that will help us resolve this error.

  1. Press the Windows key to open the start menu and search for Command prompt.
  2. Right-click on the command prompt and click on Run as an administrator.

    Opening Command Prompt as an administrator
  3. Paste the following command inside of the command line interface and hit enter.
    Dism /Online /Cleanup-Image /CheckHealth
  4. Paste the following command inside of the command line interface and hit enter.
    Dism /Online /Cleanup-Image /ScanHealth
  5. Paste the following command inside of the command line interface and hit enter
    Dism /Online /Cleanup-Image /RestoreHealth
  6. Once all the commands have been pasted, head on over to settings and try updating windows again.
    Run DISM commands command prompt

4. Run SFC

System file checker is a built-in tool by Microsoft, this tool is used to repair corrupt system files in Windows. Running SFC is pretty straightforward, follow these steps: 

  1. Press the Windows  key+ X simultaneously on your keyboard.
  2. Select Powershell(admin) and paste the following text and hit the Enter key.
    sfc /scannow
  3. This process will take some time, let it finish. It will replace any corrupt system files if found.
    running CFC 

5.  Disable antivirus

Antiviruses are known to cause issues sometimes with downloads from external servers and this is not a new issue and can be dealt with by disabling the antivirus when you are trying to update your windows. The steps to disable your antivirus totally vary on the provider of the antivirus. Windows Defender is just shown as an example in this article, if you use some other third-party antivirus check this article here. Follow these steps to disable windows defender:

  1. Press Windows Key and in the search bar search for settings, or just simply press Windows + I key simultaneously to open settings.
  2. Click on the Update and security box.
    Disabling windows defender
  3. On the left menu bar click on Windows Security.
    disabling windows defender
  4. Click on Virus and threat protection box under the Protection areas heading
    disabling windows defender
  5. Click on Manage settings under the Real-time protection heading
    disabling windows defender
  6. Toggle the real-time protection and cloud-delivered protection to off
    Disabling windows defender

    Now that our antivirus i.e windows defender used an example is disabled now, try updating windows if the error persists continue to the next step.

6.  Delete pending windows update cache folder

Windows update stores cache just like any process of the windows, the cache can be simply deleted by deleting the contents of the SoftwareDistribution folder. Follow these steps to do so:

  1. Press Windows + R key and in the dialog box type CMD.

    Opening cmd as an administrator using the run dialog box
  2. Hit the Shift + Ctrl + Enter key to run as administrator.
  3. Paste in the following command to stop a few essential services before we delete the cache.
    net stop bits 
    net stop wuauserv
  4. Once the services have been forced to stop, press the Windows key and search for File Explorer.

    Disabling services to delete windows update cache folder
  5. In the address bar (highlighted in the image below) paste in the following address.
    C:\Windows\SoftwareDistribution\Download
    deleting the windows update cache folder
  6. Select all the contents by pressing Ctrl + A key and press the Delete key to delete the cache.
    deleting the windows update cache folder
  7.  Open Command Prompt as an administrator once again to enable the services we disabled in step 3, paste in the following commands inside of CMD’s admin mode to enable the services.
    net start bits 
    net start wuauserv
  8. Now, Try updating windows update once again.

If the error continues to persist continue to the next step.

7. Install Windows updates Manually

This might help us resolve our problem, in order to install windows updates manually follow these below-mentioned steps.

  1. Visit the Microsoft update catalogue ( a platform where you can find every build of windows to date).
  2. In the search box on the right side of the screen, type in the build version you want to download e.g KB5015807

    updating windows 10 manually
  3. Hit the download button and wait for the download to finish.
  4. Once downloaded, double click to execute the newly download file and proceed with the very user-friendly installation process.

8. Reset the PC

Resetting the PC to the factory setting means deleting any applications, or software downloaded on the computer. It refreshes the windows and installs them completely from the scratch. Before resetting your PC it is highly advised to backup the important files. Follow these steps to easily reset your Windows 10 PC.

  1. Press Windows + I keys simultaneously to open settings.
  2. Click on the Updates and Security box.
    Resetting windows Pc
  3. On the left-panel Click on Recovery.

    Resetting windows PC
  4. Under the, Reset this PC heading, click on Get Started.

    Resetting Windows 10 PC

Once the processing is done and your PC is fresh, try updating the windows feature and see if it works.

Dawood Janjua
Dawood Janjua is a certified CCNA associate and provides supports to customers through a reputated third party organisation. Dawood is aiming for the CCIE in the future to provide support at the regional level and also wishes to expand his career into virtualisation.

Expert Tip

How to Fix Windows Update “Error Code: 0x80070026”

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