If you receive Windows Update error 8024000b, it means that Windows Update can't read a file (Update Manifest) that is required for installation.
To fix this problem, follow these steps:
Copy the following text, and then paste it into the Run text box:
Cmd /c ren %systemroot%\System32\Spupdsvc.exe Spupdsvc.old
Run Windows Update again.
If you continue to see this error, see this automatic troubleshooter
on the Microsoft Support website, or go to the Microsoft Answers
website for more assistance.
Error codes this applies to:
Click Start, and then click Run. If you don't see Run in the Start menu, type Run into the Start search box, and then, in the results list, click Run.
Copy the following text, and paste it into the Run text box: