I cannot update Windows version 1909 to 20H2 when using the Windows Update Assistant

I cannot seem to get the Windows featured update from 1909 to 20H2. I have tried troubleshooting the Windows update through the settings, but I have had no luck. I have updated all the drivers as well as the BIOS and then tried the Windows update assistant again with no luck. My laptop is only a year old, i7 16GB RAM and have a lot of space on my hard drive for the update. Every time I run the Windows Update Assistant more than half way through the process I get the following prompt: 

"This PC can't be upgraded to Windows 10."
"Your PC has hardware that isn't ready for this version of Windows 10. Windows 10 Update will automatically offer you this version of Windows 10 once the issue has been resolved"

If my laptop is not ready for this update, would any one be able to give me a better insight as to when it may be available?

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I will keep an eye out for updates as you suggest. I manage the updates for all of our (small) manufacturing plant, together with the rest of the process IT and office IT functions. Most of our process related systems are quite new, 9th generation I5 based, but we also have one Pentium G2120 based system from around 2013 which updated to 2004 and 20h2 withouh problems, together with an old HP laptop with an AMD A4-3300M processor, hardly used I may add, but that dates from 2011. Microsoft have given a date something like mid May 2021 for withdrawal of FE 1909 support, so as you suggest, I shall avoid worrying for a month or two.

Thanks again for your suggestions. IanM8

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I have the same issue but is says it is installing and everything is fine (no errors) but after reboot it is still 1909. Ryzen 7 1800x a320m mobo.

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Well, I "fixed" my problem by rebuilding each system from scratch, as each was used as part of a legacy maintenance and manufacturing process.

Issues which you (ThatOneGuy395) may wish to consider are as follows:

  1. When you went through the update process, was a Windows.old folder created, if not then the update wouldn't have completed successfully.

  2. Your hard drive needs to be GPT rather than MBR structured, seemingly this was required from around FE1909. Mine were both MBR, part of the great legacy issue!

    The link below is to a Microsoft document which describes the use of Diskpart and mbr2gpt to change structure of HDD from MBR to GPT, it may help.

https://docs.microsoft.com/en-us/windows/deployment/mbr-to-gpt

3.Rather than using Update Assistant, have you tried using the Media Creation Tool (MS download), it gives the option to "update this PC" (select this one) and "create ISO on USB" (no need to select this one). It goes through a slightly different process, so may be worth trying?

I have now successfully build the two systems that were causing me grief, one a Pentium G2120 dating from around 2013, the other a Pentium G4400 dating from around 2017. They both happily running FE20H2 without problems. Hope that's of some assistance.

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I have been trying to fix this for a few months.

In the end i was able to fix it by manually downloading the latest servicing stack update and installing that.

https://www.catalog.update.microsoft.com/Search.aspx?q=servicing%20stack%20update%20for%20windows%2010

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This is very frustrating!  I was able to update several SSD drives in the same computer to 20H2 but not my primary drive which points to a software bug on the drive, or the SSD drive itself.  Has anyone found a reliable fix?  Thanks!

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After so many futile attempts ,  i did bios update and then tried installing the updates. It worked perfectally!!!

So do check your bios version 

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I would suggest people to read my quora answer here:

https://www.quora.com/How-can-we-fix-the-Windows-update-errors-in-Windows-10/answer/Koushik-Mondal-37 It may be of great help for people who are not able to update windows 10 from version 1909 or older to 2004 or 20H2 in May 2021, without a fresh and clean install.

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KOUSHIKMONDAL3 -- Thanks for posting a possible solution to this frustrating problem.  I would prefer not to subscribe to Quora.  Can you please post your fix (with precise details for non-technical people) here?  Thanks!

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KOUSHIKMONDAL3 -- Thanks for posting a possible solution to this frustrating problem.  I would prefer not to subscribe to Quora.  Can you please post your fix (with precise details for non-technical people) here?  Thanks!

Here is my Quora answer. Please bear with me for the long answer. I would be greatly happy if it can help you.

[SOLVED]****FOR whoever want to update your windows 10 from version 1909 or older -----> 2004/20H2/21H1 **** WITHOUT CLEAN INSTALL ******

A few days back (May 2021), I was trying to update my Windows10 version1909 laptop to 2004 and subsequently 20H2, as 1909 reached the end of service (May 11, 2021). Up to these many days, every time I was trying to update windows by going into the settings, it was failing to install and it was telling your device is not ready even though I fulfilled the minimum basic requirements of 2004 and 20H2 (1GHz CPU, 2GB RAM, DirectX9.0., WDDM1.0, 32GB free storage). My update failed about 20 times- I did apply all the fixes on the internet, youtube, Microsoft and windows10 forums. I tried numerous times with both windows update assistant and media creation tool. I was hopeless to the point that I wanted to freshly install but then I had to install all the installed software for my PhD research purposes which would take me more than 1 day and my all personal settings would be gone.

Then, I found this tool - IT WAS A LIFESAVER TO ME!! (link below)

I ran one update using windows update assistant and it failed at 37% without any error code. I ran this tool and it showed that I have a Conexant made Realtek HD audio driver. I looked inside Realtek folder and found one Realtek HD audio driver (.exe) made from the publisher Conexant. I deleted the full folder in c:\programfiles\Realtek and uninstalled the device by going into device manager (under sound control). I even uninstalled display drivers. I didn’t do any restart of my PC at this point, as then the drivers may again be installed back. Now I restarted the update using update assistant and it went past 37% but at 56% again it failed! Now the SetupDiag tool told me that the location of wimmount.sys file is not there in E:\ E:\macrium folder. I installed macrium reflect long back and uninstalled al also, but it permanently damaged my registry. By a google search I found this page and applied the fix.

I changed the path in the registry. VOILA!!! Now my update went past 56% and it completed within 1 hour!! I got 20H2 Windows10. Immediately, next next day I got 21H1 update too. I wasted my 2 days completely behind this windows 10 update!! I felt like I won a war!!

*****MY SUGGESTION*****

If a windows update fails, use this SetupDiag tool mentioned above to know the real reason and fix it. Just save the .exe file in some location and run it - one results.log file will contain all the information at the last. It is better than trying all the youtube and Google remedies. It will save you lots of time. I would also suggest seeing this video, it helped me.

FIXED Can't Update Windows 10 20H2 - Update Stuck at 31% 61% or 99% | Solution - YouTube

I would also suggest keeping all your important files in the drive other than "c" (plus an extra backup) before running update assistant and don't forget to keep my settings and apps. 

N.B.: I didn't like 20H2 much but the 21H1 is really snappier and faster as well as the most stable version of W10, I feel with great security improvements. Go get it!!

And finally, Shame on you MICROSOFT that you don’t show the detailed error to the user once an update fails!! Leave alone fixing. An error code of 0x80070003 can be because of many reasons. You could not give a proper solution to the Conexant made audio drivers also. Even Sennheiser used conexant drivers 2 years back.

Update should be flawless, not like this - winning a war!!

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Well, the "can't update from Windows 10 FE1909" problem occurred on another legacy system on 21 May 2021, investigated further by me and ultimately traced to a feature that exists in Win 10 Pro (and other variants of Win 10), called Windows To Go. This feature does not live on beyond Feature Edition 1909, fortunately.

Disabled this feature using Regedit as follows:

Select command line (admin)

regedit

Navigate to 

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control then using right click mouse, delete the entry PortableOperatingSystem

Exit from regedit , reboot the system, then update to new feature edition, typically using Windows 10 Update Assistant.

Worked like a dream.

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Last updated July 31, 2021 Views 33,540 Applies to: