Windows 10: Feature update to Windows 10, version 20H2 - Error 0xc1900104

I am getting this error while updating on Windows 10 Pro Surface Pro 3For the longest time, my install would stall on 61% all the time. Finally I just let it sit there for a day and eventually got a different result with this error message: Feature update to Windows 10, version 20H2 - Error 0xc1900104I found one possible solution about the Conexant audio driver but I don't have that installed on my systemAny ideas?Lowell

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Feature update to Windows 10, version 1703 - Error 0xc1900101

When I used Windows Update I had error I used the troubleshooter yet still this error for this Windows Update: Feature update to Windows 10, version 1709 - Error 0xc1900104

 

Windows 10 20H2 Update Error 0xc1900104 Low Disk Space

Please help. My dad's Windows 10 Lenovo laptop has a hard drive with more than 250GB free space. So we don't know why it's getting "Error 0xc1900104 Low Disk Space" when trying to do the 20H2 Update via Windows Update.

Backstory- this laptop has been getting regular Windows 10 security updates, but wasn't offered 20H2 via Windows Update when everyone else was. So back in February, he tried using the Windows Upgrade Assistant, which finished the download but got stuck on "Installing 61%" for two whole days, he cancelled and gave up.

Then I was at his house a week ago and we uninstalled the old Upgrade Assistant, rebooted, downloaded the latest Upgrade Assistant, and ran it. Later that day it again finished the download but got stuck on "Installing 61%", he left it for 24 hours but it never finished, again he cancelled and gave up.

Then two days ago, his laptop was finally offered 20H2 via Windows Update! So he tried it from Windows Update, it finished downloading, got stuck at "Installing 61%" and gave "Error 0xc1900104 Low Disk Space". That's when I walked him through each of these:
Code:

....And then reboot, go back to Windows Update, check for updates, offered 20H2 again, run it, download finishes and then again stuck on "Installing 61%" and gave Error 0xc1900104 Low Disk Space!

Please help! What is up with the "low disk space" error? There is more than 250GB free space... Why always 61% ? How can we get this done?

 

feature update to windows 10 version 20H2 error 0xc1900101

Dear community,

I am getting the 0xc1900101 error for a few month already when trying to update my Windows 10.

I tried with the latest feature update to windows 10 version 20H2 today and the problem still remains.

I tried a lot of solutions found on the internet to solve this issue, but none of them worked:

At about 60% of the update, it fails, and Windows rolls back to its previous version.

Any tip on how to get more insight about this error and find a way on how to fix it would be greatly appreciated.