Windows 10 Update 2004 / 20H2 - Error 0xc1900101

Anonymous
2020-07-21T19:15:15+00:00

Windows specifications

Edition Windows 10 Education
Version 1909
Installed on 2019-06-25
OS build 18363.959
Arch. Type x86_64
Insider program No

Device specifications

Processor AMD Ryzen 5 1600X 6c/12t 3.6GHz
BIOS Mode UEFI
Motherboard Asrock AB350 Pro4
RAM 16 GB

Issue

I downloaded the Feature Update 2004 and tried to installed it 3 times. Each time all went good without error, then it ask for restart, so I click the "Restart and Update", then it reboot (1st time) but before accessing the authentication page it reboot again (2nd time) then again before accessing the authentication page it reboot again (3rd time) this time it's really longer (as if the update was finally applying), it goes to teh authentication page. I log in, then I check and the I'm still at update 1909.

In the Windows update history I can see an error code: 0xc1900101. Nowhere else I can see an error.

The two first times I tried to update and it fails when I went in Windows Update and clicked "Check for updates" I saw the 2004 update available and was able to download and install it again. But since last try it now tells me I'm up to date yet I'm still at update 1909 and 2004 failed to apply.

PS: I have Core Protection disabled.

PS2: Windows Update troubleshooter says all is fine.

Additional information

From systeminfo:

Hotfix(s):                 23 Hotfix(s) Installed.
                           [01]: KB4565633
                           [02]: KB4497165
                           [03]: KB4498523
                           [04]: KB4503308
                           [05]: KB4506933
                           [06]: KB4508433
                           [07]: KB4509096
                           [08]: KB4515383
                           [09]: KB4516115
                           [10]: KB4517245
                           [11]: KB4520390
                           [12]: KB4521863
                           [13]: KB4524569
                           [14]: KB4525419
                           [15]: KB4528759
                           [16]: KB4537759
                           [17]: KB4538674
                           [18]: KB4541338
                           [19]: KB4552152
                           [20]: KB4560959
                           [21]: KB4561600
                           [22]: KB4565554
                           [23]: KB4565483

Windows for home | Windows 10 | Windows update

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments
Answer accepted by question author
Anonymous
2021-04-17T12:05:03+00:00

If you experience this issue on ASRock motherboard make sure that you've updated to the latest available BIOS.

Then Enter the BIOS (F2) and Turn off (Compatibility Support Module) 

After you changed the BIOS setting run Windows10Upgrade9252.exe available for download on microsoft website url: http://go.microsoft.com/fwlink/?LinkID=799445

Problem solved.

Was this answer helpful?

10+ people found this answer helpful.
0 comments

69 additional answers

Sort by: Newest
Most helpful Newest Oldest
  1. Anonymous
    2020-08-11T03:41:58+00:00

    I have a Pro4 AB350, I THINK it's the motherboard with some incompatibilities.

    Got 3 failures, now my Updates is telling me to wait until it's approved. Something tells me, it's the board....

    Just wait it out really...that's what I've been doing. It will come.

    Was this answer helpful?

    0 comments
  2. Anonymous
    2020-07-28T09:19:07+00:00

    To confirm that we are dealing with the same problem, first You have to study logs in the C:$Windows.~BT\Sources\Rollback directory :

    1. setupact.log
    2. setuperr.log

    To put it simply, there will be two kinds of errors - minor, that setup ignores, and major that causes a setup to stop and rollback to the previous version. For me it was the problem with NET Framework 2.0 itself, not with particular KB update. After disabling feature in the control panel :

    Press the Windows key   on your keyboard, type "Windows Features", and press Enter.

    The Turn Windows features on or off dialog box appears.

    Unselect the .NET Framework 3.5 (includes .NET 2.0 and 3.0) check box, select OK, and reboot your computer if prompted.

    Everything went smoothly :)

    WG.

    Was this answer helpful?

    0 comments
  3. Anonymous
    2020-07-27T23:31:26+00:00

    Feature update to Windows 10, version 2004

    Failed to install on ‎Mon ‎27-‎Jul-‎2020 - 0xc1900101

    Feature update to Windows 10, version 2004 (2)

    Last failed install attempt on ‎Sat ‎20-‎Jun-‎2020 - 0xc1900101

    Having the same problem... I tried all the suggestions in these posts without success...

    Was this answer helpful?

    0 comments
  4. Anonymous
    2020-07-27T17:50:26+00:00

    Feature update to Windows 10, version 2004

    Failed to install on ‎Mon ‎27-‎Jul-‎2020 - 0xc1900101

    Feature update to Windows 10, version 2004 (2)

    Last failed install attempt on ‎Sat ‎20-‎Jun-‎2020 - 0xc1900101

    Was this answer helpful?

    0 comments