Repair Windows Update (failed updates and errors)

Windows Update can’t download updates? Got the error message “Failed to update”? An error code 0x800xxxxx appears when installing an update? Windows Update no longer works? Anyway, you have problems with Windows Update that prevent you from installing Windows updates ?

Do not panic ! Errors on Windows Update are common, and there are tools that can troubleshoot most issues that block Windows Update.

Windows Update Failed (Windows 10)

Here are some error codes that you may encounter on Windows Update: 0x80240fff, 0x80072ee2, 0x800f081f, 0x800b0109, 0x80072f8f, 0x8000fff, 0x8e5e03fa…

This tutorial shows you how to fix Windows Update on Windows 10, 8, or 7 so that you can re-download new updates that are essential for the security and stability of your system.


  • Repair Windows Update
    • # 1: with the troubleshooter
    • N ° 2: with Reset Windows Update Tool
    • # 3: repair system files with DISM.exe and SFC.exe
    • # 4: repair Windows
  • Useful links

Repair Windows Update

# 1: with the troubleshooter

  1. Run the troubleshooter:
    • On Windows 10: Open Settings > Update & security> Troubleshoot .

Select Windows Update> Run the troubleshooter .

Alternative: If the option is inaccessible, you can download the Windows Update for Windows 10 troubleshooter (wu10.diagcab) from the Microsoft site.

  • On Windows 7 and 8: Download the Windows Update for Windows 7 and 8 troubleshooter (WindowsUpdate.diagcab) from the Microsoft site and then run it.

Then click Next> Try to troubleshoot as an administrator> Next.

  1. Wait until Windows Update automatic repair is complete.
  2. Close the utility and then restartyour computer.
  3. Check for and install updates again on Windows Update.
  4. If Windows Update still does not work, run the troubleshooter a second time or follow the instructions on Windows Update Error Correction ( .

Congratulations! You repaired Windows Update using the Windows Update troubleshooter . 👍

N ° 2: with Reset Windows Update Tool

Reset Windows Update Tool is a tool for resetting Windows Update agent and more. The tool is compatible with Windows 7, 8 and 10.

Here’s how to use it to repair Windows Update:

  1. Download and then install Reset Windows Update Tool on your PC. Shortcuts to Reset Windows Update Tool are created on the desktop and in the Start menu.
  2. Run Reset Windows Update Tool as administrator.
  3. Select the French language by entering 1.
  4. Agree to the terms of use by entering Y.
  5. Reset Windows Update Tool displays all the available options:
  6. Open System Protection (allows access to System Restore to restore your PC from a restore point).7. 2. Restores Windows Update components .8.           3. Delete Windows temporary files.9.           4. Open Internet Explorer options.10.       5. Run chkdsk.exe on the Windows partition.11.       6. Run the System File Checker (sfc.exe) tool .12.       7. Scans the image for corruption in the component store.13.       8. Checks if the image has been marked as corrupt.14.       9. Performs automatic repair operations.15.       10. Cleans replaced components.16.       11. Removes incorrect values ​​from the registry .17.       12. Repair / reset Winsock settings.18.       13. Force update of Group Policy.19.       14. Check for Windows Updates .20.       15. Find the Windows product key .21.       16. Explore other solutions locally.22.       18. Explore other online solutions.23.       19. Restart the PC.
  7. Select Restore Windows Update Components by entering 2.
  8. Wait until the reinitialization of Windows Update components is complete, then click any key to return to the main menu.
  9. Exit Reset Windows Update Tool by entering 0then restartyour PC. You can also enter 19 to restart immediately.
  10. Check for and install updates again on Windows Update.

Congratulations! You repaired Windows Update using the Reset Windows Update Tool . 👍

# 3: repair system files with DISM.exe and SFC.exe

If any Windows system files are corrupted, Windows Update may no longer work properly.

Here is how to repair Windows system files:

  1. Open a command promptas an administrator.
  2. Repair the Windows image with exe:

dism.exe /Online /Cleanup-Image /RestoreHealth


  1. Repair damaged Windows system files with exe:

sfc.exe /scannow


  1. Check for and install updates again on Windows Update.

Congratulations! You repaired Windows Update by repairing damaged Windows system files. 👍

# 4: repair Windows

If none of the previous solutions have functionality, the ultimate solution is to repair Windows . Windows Update should normally work again after that!

Don’t worry, all your data (personal files, applications and settings) will be kept during this operation.


by Abdullah Sam
I’m a teacher, researcher and writer. I write about study subjects to improve the learning of college and university students. I write top Quality study notes Mostly, Tech, Games, Education, And Solutions/Tips and Tricks. I am a person who helps students to acquire knowledge, competence or virtue.

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