When you try to install the latest updates from Windows Updates or Microsoft Updates, you may receive the following error code 80072f78 message .This issue error code 0x80072f78 may occur if the Windows security .dll files are registered incorrectly.
Error Code 0X80072F78 in Windows 10/11/8
Window 10
Use the System Update Readiness Tool to resolve this issue. This tool will scan your computer for inconsistencies that may cause errors to occur. To run the system update readiness windows 10 , follow these steps:
- Swipe in from the right edge of the screen, and then tap Search.
- Type command prompt in the search block
- In the list of results, swipe down on or right-click Command Prompt, and then tap or click Run as administrator.
- In the Administrator: Command Prompt window, type the following commands exactly as they appear.
- Press the enter key after each command:
DISM.exe /Online /Cleanup-image /Scanhealth
DISM.exe /Online /Cleanup-image /Restorehealth
To close the Administrator: Command prompt window, type Exit, and then press Enter. Run Windows Update again.
Window 8
To resolve this issue, use the System Update Readiness Tool. This tool will scan your computer for inconsistencies that may be responsible for the errors. To run the System Update Readiness Tool. In the table below, click the download link that matches your version of Windows. If you’re unsure of which version of Windows you are running, follow these steps:
- Click the Start button, then type msinfo32 in the Search box. Click msinfo32.
- Your version of Windows will be listed next to OS Name and your file type (x64 or x86) will be listed next System Type.
Solution steps:
- Choose the appropriate language in the Change Language list, and then click Download.
- When you are prompted to do so, click Run to start the installation.
- Follow the on-screen instructions to install the System Update Readiness Tool.

Conclusion
At last, if you are still not able to resolve this issue Error Code 80072f78. I am sure they will help you resolve this issue. If you like to see the procedure for paid support, to clarify, you may ask the Tech Available online.
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