Windows 10 KB4038782 install fails for many users

by Madalina Dinita
Madalina Dinita
Madalina Dinita
Windows & Software Expert
Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer. She is interested in all things technology, especially emerging technologies... read more
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This month’s Patch Tuesday edition brought a series of useful Windows 10 updates. Cumulative update KB4038782 for Windows 10 version 1607 fixes a bevy of issues, including Internet Explorer bugs, Windows driver errors, and more.

Just as it happens with every new update, KB4038782 also brings issues of its own. Many users reported that the update install process often fails. This is by far the most frequent problem currently affecting users.

KB4038782 fails to install

As stated above, many Windows 10 Anniversary Update users are still struggling to install KB4038782. The install process fails with error 0x800706ba or simply freezes.

Here’s how two different users describe this issue:

I then checked for windows updates however it always states that the updates have failed saying Error 0x800706ba – the updates being
– Update for Windows 10 Version 1607 for x64-based Systems (KB4033637). (comes up twice)
– 2017-09 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB4038782).
– 2017-09 Security Update for Adobe Flash Player for Windows 10 Version 1607 for x64-based Systems (KB4038806).


2017-09 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB4038782) Failed to install on 9/12/2017″ is all I get. The update downloads, prepares to install, then asks me to restart the computer. I restart, it installs to about 21%, then gives up. It then undoes the changes and uninstalls.

If you can’t install KB4038782 on your PC, try using Microsoft’s Windows Update Troubleshooter. Indeed, updating Windows 10 can often turn into a nightmare. This tool will help you solve various Windows Update errors and unlock the update process.

If the Windows Update Troubleshooter fails to solve the annoying KB4038782 install issues, check out our dedicated article on “How to address common issues with Windows Update“. We’re sure that one of the solutions available in this article will help you install KB4038782.


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