On occasion Windows updates fail and refuse to install some updates which can be caused by some update files being downloaded and become corrupt.
Firstly, it is always recommended to run the Windows Update Troubleshooter with these steps
Select Start > Settings > Update & Security > Troubleshoot
Select Windows Update under Get up and running
Select Run the troubleshooter
If that does not fix the issue, then follow these steps to clean out the Windows Updates download folder
Click on Start and then type services in the Type here to search box, then click on the Services app
NOTE: If the Type here to search box does not appear, just start typing and it willIn Services, find Windows Update and right click on it, then select Stop
TIP: Pressing W will get you there fasterOpen File Explorer
on the taskbar or press Windows Key + E, then go to the following folderC:\Windows\SoftwareDistribution\DownloadDelete everything that is in this folder
If prompted by the Folder Access Denied box, click on Continue
Go back to Services, then right click again on Windows Update and click on Start
Close any windows dialog boxes you have open.
You have successfully cleaned your Windows Update folder.
