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How to Fix Error 0x80240034 (Windows 10 Update failed to install)

WINDOWS 10 UPDATE FAILED TO INSTALL

In this blog post, we have tried to put in the cause of “Windows 10 Update failed to install” message which many users face while updating the Windows.

How to Fix Error 0x80240034 (Windows 10 Update failed to install)The warning message shows as:

“Error code: 0x80240034

Update has failed to download”
or
WU_E_DOWNLOAD_FAILED

Before going through the troubleshoot instructions, we want our reader to know what exactly Error 0x80240034 and what can the causes for this error.

What is Error 0x80240034

This issue usually occurs when users of windows 10 attempt to install the security updates. The code in the warning message Error 0x80240034 states stands for WU_E_DOWNLOAD_FAILED, which means that the updates was failed to download.

Error 0x80240034 may occur because of an interrupted internet connection with the Microsoft’s update servers while downloading the updates. Second reason may be with the broken update package under Windows store at the time of downloading.
Apart from these, the other causes can be any third-party firewall restricting the download.

How to FIX Windows 10 Updates Failed to download/install (Error 0x80240034)

Fix1: Run the Windows Update Troubleshooter.
Fix 2: Reset Windows Update Store.
Fix 3: Check your Registry.
Fix 4: Run System File Checker.

Fix 1: Run the Windows Update Troubleshooter.

The first way to solve Windows 10 Update error 0x80240034 issue is to run the windows 10 troubleshooter that may help you fix the error related to windows 10 updates.

  • Download and run the Windows Update Troubleshooter, according to your Windows Version.windows update troubleshooter
  • After troubleshoot is complete, “Restart” your computer.windows 10 troubleshoot
  • Now Check for Windows updates. It can go without interruption.

Fix 2: Reset Windows Update Store

If the above fix failed to solve Windows 10 Update error 0x80240034 issue, then try resetting the windows update store using command prompt.

The update versions for windows are stored in “SoftwareDistribution” folder.

Open Software Distribution directory and delete the files and folders: (new files will be automatically created when you try installing the updates)

  • Open Command Prompt by pressing Win+ R at the same time and type “cmd”and then press ‘Ctrl+Shift+Enter‘(admin mode);Open cmd
  • Type the following commands:
    → net stop wuauserv(and hit “Enter”)Reset Windows Update Store
    → net stop bits(and hit “Enter”)
  • Now go to “C:\Windows\SoftwareDistribution” location and Select all files and folders and delete them.software distribution files deletion

Next step is to reset Catroot2 do the following steps:

  • Open Windows Command Prompt as an administrative mode again (by pressing Win+ R at the same time and type “cmd” and then press ‘Ctrl+Shift+Enter'(admin mode);
  • Type the following commands:
    → Net stop cryptsvc [press Enter]
    → Md %systemroot%\system32\catroot2.old [press Enter]
    → Xcopy %systemroot%\system32\catroot2 %systemroot%\system32\catroot2.old /s [press enter.]
  • Now, Go to the Catroot2 folder ‘C:\WINDOWS\System32\catroot2\
    Delete all of the files in the Catroot2 folder.catroot2 files deletion
  • Open Windows Command Prompt as administrator again and type the following command:
    →net start cryptsvc [press Enter]
  • Now close all windows and restart your windows to check for updates.

Fix 3: Check your Registry

If the above methods failed for you then check your registry and delete the broken entries that may interrupt with the update. (this is a risky step to play with the registries, so be careful with each step you perform).

To launch the Registry Editor:

  • Open the Run command (Win+R);
  • Type “regedit.exe” to the run box to launch the Registry editor window.
  • Navigate in the left pane or Registry editor to the following key:
    → HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
  • In the right pane, look for “WUServer” and “WIStatusServer” entries and if found delete them.
  • Now close the window and restart your Windows. Now check for windows updates

Fix 4: Run System File Checker.

The Windows System File Checker is an in-build tool that checks the Windows system files if they are corrected or damaged. This can also be a reason of failed windows updates.

  • Open the Run command (Win+R);
  • Now type “cmd” to open the command prompt and then press ‘Ctrl+Shift+Enter'(admin mode);
  • Once the command prompt window opens type in the command: 
    → sfc /scannow [hit Enter]

If it detects any corrected windows file then it will repair or replace it. Now Close all window and Restart your computer and check for updates. 

Hope this article was helpful to you.

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