Troubleshooting: Windows Update error 0x80240023

Error code 0x8240023 is an update problem that occurs in Microsoft Windows when you install a new security update or feature update. Windows displays this error when it fails to check for updates or encounters a problem during installation. In addition, user reports indicate licensing issues with Office 2007 because it is no longer supported. In addition, the error is most likely related to KB2505184 (Office File Checker Add-on).

The solutions presented are mostly suggested by users themselves since Microsoft discontinued support for Office 2007 in 2014. While the problems solved here are related to MS Office 2007, this does not necessarily apply to all problems related to 0x80240023.

What is the cause of Windows Update error 0x80240023?

Windows 10 update error 80240023 occurs because Windows has failed to install the Microsoft Office 2007 file validation add-on.

Windows Update fails to check for updates or fails to install them. There may be several reasons for this problem:

  • Windows registry
  • Windows file system
  • Internet access
  • Windows Update service
  • Corrupted files
  • Improper configuration
  • Adware
  • Viruses and Malware

How to repair the Windows Update error 0x80240023?

Launch the SFC utility

  1. Click the Start button and search for “cmd”.
  2. In the search results, cmd should appear with a black icon.
  3. Then right-click on it and select Run as administrator.
  4. When prompted for the administrator password, enter the password and click OK.
  5. A new, all-black window will open. We can type commands directly into this window.
  6. Then type sfc/scannow and press Enter.
  7. This process will take some time. After the SFC process is complete, restart your computer.
  8. After the reboot, check again for updates.

Launch the Windows Troubleshooter

  1. Click Start, then Settings
  2. Click on Update and Security
  3. On the left menu, click Troubleshooter, then Windows Update, then Run Troubleshooter.
  4. The Troubleshooter tool will now check your system. When prompted, click Apply this fix.
  5. Then restart your computer.
  6. Reinstall the updates on your system.

Clear the Windows Update boot path

  1. Type Regedit at the startup prompt and press Enter.
  2. In the new window, you will find navigation on the left side. Use it to navigate to
  3. Now look for WUServer and WIStatusServer in the right window.
  4. If they are not on the list, we can’t clear the boot path. If not, remove both.
  5. Then reboot the system.

Checking the date and time

  1. Click on the Start menu.
  2. Open the preferences
  3. Then click on “Time and Language.”
  4. Check that the date and time are correct.
  5. Also, make sure that the time zone is correct.

If the date and time are not correct, you can set them manually:

  1. Click on “Advanced Date, Time, and Region Settings” in the upper right corner.
  2. Click on “Set time and date.”
  3. Then click “Change date and time.”
  4. Enter the correct date and time.
  5. Finally, reboot the system.
  6. Then start Windows Update again.

Frequently Asked Questions

  1. Remove the temporary cache folder from Windows Update.
  2. Run the SFC utility.
  3. Clear the Windows Update download path.
  4. Check the date and time.
  5. Run the Windows troubleshooter.
  6. Check Windows activation.
  7. Manually install the failed update.

  1. Make sure you have enough memory on your device.
  2. Run the Windows update multiple times.
  3. Check for third-party drivers and download any updates.
  4. Disable any additional hardware.
  5. Check the Device Manager for errors.
  6. Uninstall third-party security programs.
  7. Fix the hard drive errors.
  8. Perform a clean Windows reboot.

  1. Run the Windows Update troubleshooter.
  2. Reboot, and then try updating Windows.
  3. Run the System File Checker (SFC) and the Disk Checker (CHKDSK).
  4. Run DISM (Deployment Image Servicing and Management).

If Windows 10 update fails, the most common causes are Multiple updates in the queue: One of the most common causes of this error is when Windows requires more than one update. Corrupted update files: Deleting corrupted update files usually solves this problem. You may need to enter safe mode to delete the files.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.