Fix: Windows Update Error 0x80240023

Error code 0x8240023 is an update issue faced by Microsoft Windows when installing new security or feature update. Windows shows this error when searching for updates fails or has an issue in installing them. Moreover, the reports from users point to a licensing issue with Office 2007 as it is no longer supported. Also, the error is most likely related to KB2505184 (Office File Validation Add-in).

Windows Update Error 0x80240023

The solutions provided have been mostly from the users themselves, as Microsoft stopped support for Office 2007 in 2014. Although the issues resolved here are linked to MS Office 2007, it may not be the case for all issues related to 0x80240023.

Stop and Restart Windows Update Service

Windows update service can become buggy due to licensing issues. However, the solution in most cases seems to be to stop the service and start it again. This is an agreed-upon solution and is one of the first ones that should be tried. To stop and then restart the Windows Update service

  1. Press the Windows key. Then, type services.msc. Afterward, press enter.
  2. Thereafter you will be given a list of services. Find Windows Update.
    Windows Update Service
  3. Right-click on Windows Update and click on Stop.
    Stop Windows Update
  4. Then, delete the Windows Update temporary cache folder.
  5. To access the cache folder press Windows key +R.
  6. Then, type in %windir%\SoftwareDistribution\DataStore and press OK.
    Windows Run
  7. Delete all files in the folder.
    Delete Files
  8. Again, repeat steps 1 through 3.
  9. Right-click on Windows Update and click on Start.
    Start Windows Update Service

Hopefully, this will resolve the error.

Download Validation Tool

This solution is for users that are facing the issue due to an MS Office 2007 installation. If during the initial installation you chose file validation, Windows will update other applications but will give Error 0x80240023 for Office 2007. However, the solution is relatively simple. Download the validation tool for Office 2007 and run the file. For this

  1. First, visit the Update Catalog by Microsoft.
    Windows Update Catalog
  2. Then, search for either 2505184 or Microsoft Office File Validation Add-in.
    Microsoft Office File Validation Add-in
  3. Download the Microsoft Office File Validation Add-in file.
    Download File
  4. Extract the file. Then, run the OFV file inside the folder.
  5. After installation run Windows Update again.
  6. The update will now not cause any issues.

Keep the Computer Running

Another well-documented solution from users is to leave the device running overnight. This solution is for users who are not very tech-savvy. The reason for this solution is that instead of downloading the Office File Validation Add-In file, the system will automatically update the File Validation and continue with the updates. The average running time is somewhere between 6 and 12 hours.


Kevin Arrows

Kevin Arrows is a highly experienced and knowledgeable technology specialist with over a decade of industry experience. He holds a Microsoft Certified Technology Specialist (MCTS) certification and has a deep passion for staying up-to-date on the latest tech developments. Kevin has written extensively on a wide range of tech-related topics, showcasing his expertise and knowledge in areas such as software development, cybersecurity, and cloud computing. His contributions to the tech field have been widely recognized and respected by his peers, and he is highly regarded for his ability to explain complex technical concepts in a clear and concise manner.