In my case it was mcafee antivirus on a laptop also running win 10 with the pre summer build it can be temporarily uninstalled and reinstalled after.
How to update windows 10 version 1803 to 1909.
Cannot upgrade from win 10 pro 1803 to 1909 there could be a number of things that are picked up as incompatible or out of date and preventing the update.
The may 2019 update version 1903 rose 11 to 56 6 making it the most widely adopted version of windows 10.
Therefore the new features in windows 10 version 1909 were included in the latest monthly quality update for windows 10 version 1903 released october 8 2019 but are in an inactive and dormant state.
When i turned the computer back on all the updates were rolled back.
This is the recommended way to update from other microsoft tech support threads that i ve seen.
This is what happens everytime i tried to update windows.
Windows 10 versions 1903 and 1909 share a common core operating system with an identical set of system files.
When the assistant is ready beneath the tool click update now then wait for the tool to check your pc for compatibility see the second image below.
The new features in windows 10 version 1909 were included in the latest monthly quality update for windows 10 version 1903 released october 8 2019 but are in an inactive and dormant state.
I m not connected to the network while updating and i m using iso to update.
This update includes reliability improvements to windows update service components in consumer windows 10 versions 1507 1511 1607 1703 1709 1803 1809 1903 and 1909.
Then wait for the update assistant to get ready.
The windows 10 october 2018 update version 1809 accounted for a quarter of all devices.
Navigate to the location you saved windows 10 1909 update assistant.
It may take steps to free up disk space on your device if you do not have enough disk space to install windows updates.
The computer turned off itself while updating.