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 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

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.

Fix: Windows Update Error “We Couldn’t Connect to the Update Service”[SOLVED] One of the Update Services is not Running Properly in Windows UpdateLast Free Update For Windows 7 Released, KB4534310 And KB45343140 Are The Final…How to Update the Windows Update Agent to the Latest Version Fix  Windows Update Error 0x80240023 - 26Fix  Windows Update Error 0x80240023 - 93Fix  Windows Update Error 0x80240023 - 44Fix  Windows Update Error 0x80240023 - 34Fix  Windows Update Error 0x80240023 - 97Fix  Windows Update Error 0x80240023 - 90Fix  Windows Update Error 0x80240023 - 26Fix  Windows Update Error 0x80240023 - 27Fix  Windows Update Error 0x80240023 - 63Fix  Windows Update Error 0x80240023 - 19