Microsoft Recently released KB4103727 Update for Windows 10 fall creators update to fix bugs, but it appears to be causing headaches for users. KB4103721 for Windows 10 version 1803 broked some PCs, and it appears that the Windows 10 KB4103727 for Fall Creators Update version 1709 also fails to install.
Cumulative update for windows 10 version 1709 for x64 based system failed to install
Several users in Microsoft community forum said that the KB4103727 fails to install. It is worth noting that only a small number of users are experiencing such issues and Microsoft hasn’t yet acknowledged the installation problems.
How to fix Windows 10 update installation issues
If Windows 10 update KB4103721 and KB4103727 stuck during download at 0% or 99% or completely failed to install, it might be that something went wrong with the file itself. Clearing the folder where all of the update files are stored will force Windows Update to download fresh files.
Clear Windows Update Files
To do this Type services.msc on start menu search and hit the enter key. Then look for windows update service, right click on it and select stop. Do the same with its related service BITS ( Background Intelligent Transfer Service )
Go to the following location.
Delete everything in the folder, but do not delete the folder itself. To do so, press CTRL + A to select everything and then press Delete to remove the files. Again open windows services and restart the services ( windows update, BITS ) which you previously stopped.
Run Windows Update troubleshooter
After clear old, buggy update files, Run the windows update troubleshooter from Settings ( Windows + I ) -> Update & security -> select troubleshoot -> windows update and run the Troubleshooter to check and fix if any problem prevents windows update to download and install. After running the troubleshooter Simply restart windows and check for updates from settings -> Update & security -> windows update and check for updates.
Disable Security software & perform clean boot.
Also, Disable Any security software or antivirus protection ( if installed ), search for updates, install the available updates and then turn on your antivirus protection.
Clean booting your computer may also help. If any third party software causing confliction to download & install windows updates. Here’s how to do this:
- Go to the search box > type msconfig
- Select System Configuration > go to Services tab
- Select Hide all Microsoft services > Disable all
Go to Startup tab > Open Task Manager > Disable all the unnecessary services running there. Restart your computer and check for updates, hope this time windows updates download and install without any error.
Did any of these solutions help you fix the problem? Let us know in the comments below. Also read How to Enable Focus Assist in the Windows 10 April 2018 Update