Upgrading to Windows 11 Error

Question

Whenever I try to install Windows 11 it downloads it installs it but when i restart my PC to complete the installation it boots me back to Windows 10 and only gives me the error code 0xc1900101.
I already updated my BIOS all of my drivers. And have met all of the needed specifications to be able to run W11. I have enought space left for it (90GB) I checked for any corrupted files and any other avaible WIN updates, ran the Win. update troubleshooter and many more things. Nothing works.
My PC specs:
Win 10 Home
AMD Ryzen 5 3600X
16GB RAM 3200mHz
AMD Radeon RX570
And BIOS are up to date.

Answer 1

Try the manual upgrade using ISO file and see if it helps: 

https://answers.microsoft.com/en-us/windows/forum/all/upgrade-from-windows-10-to-windows-11-using-iso/cc730f52-cd85-45d6-8b52-c10d3ff2d67e

Or you can also use Windows 11 Installation Assistant which you can download from here:

https://www.microsoft.com/en-us/software-download/windows11

Answer 2

Hi @Leonard Ondračka

Here's the help guide for this particular error message:

https://support.microsoft.com/en-us/windows/get-help-with-windows-upgrade-and-installation-errors-ea144c24-513d-a60e-40df-31ff78b3158a

This particular error indicates a problem with a driver. You may have hardware or a component that doesn't have a signed Win11 driver available. Please remove any external devices that might be causing the issue.

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Answer 3

This error is normally related to the driver.
Since you are in the Windows 10, you may open start and search for feedback and open the Feedback Hub app and report this issue.
When there is a failure Windows will create log files and they are located on:

C:\Windows\panther\ (C: is the driver which Windows is installed )
%WINDIR%\Panther
%WINDIR%\Inf\Setupapi.log
%WINDIR%\System32\Sysprep\Panther

In case log file exists, you may open them and search for error, failure and find out what causing the issue and from there you might find some clues of what causing the failure.