15,291 questions with Windows for home | Windows 11 | Windows update tags

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How to Fix 0xC1900101 - 0x40017 error when updating from Windows 11 Pro 23h2 to 25h2

Hello, I've been trying for days to try and update my PC to 25h2 from 23h2 of Windows 11 Pro. I am getting this error: "0xC1900101 - 0x40017 The installation failed in the SECOND_BOOT phase with an error during the BOOT operation." …

Windows for home | Windows 11 | Windows update
asked 2026-08-08T06:41:34.5666667+00:00
Om Turakhia 0 Reputation points
commented 2026-08-08T08:30:56.07+00:00
Om Turakhia 0 Reputation points
0 answers

Hopefully, Microsoft will release a security patch in August to fix this file history issue.

These are my questions below; please read them…

Windows for home | Windows 11 | Windows update
asked 2026-08-07T04:15:52.7966667+00:00
林宗昇 7,940 Reputation points
commented 2026-08-08T03:46:29.3+00:00
林宗昇 7,940 Reputation points
2 answers

windows is not updating my updates.

How do I remove and repair error code 0x800703f1 it is stopping the windows update from completely updating.

Windows for home | Windows 11 | Windows update
asked 2026-08-06T23:50:43.4766667+00:00
Brian Birch 0 Reputation points
commented 2026-08-08T01:12:34.36+00:00
Estrella721 44,690 Reputation points Independent Advisor
2 answers

Been stuck on Win11 23H2, and update to 25H2 fails with 0xc1900101 error

I've been unable to update my Win11 install from 23H2 for quite a while and the currently offered 25H2 keeps failing with the error 0xc1900101. I've done more troubleshooting than I can count and tried the install probably a dozen times over the last…

Windows for home | Windows 11 | Windows update
asked 2026-07-17T20:08:57.37+00:00
Jacob Anderson 0 Reputation points
commented 2026-08-07T17:14:27.2966667+00:00
Jacob Anderson 0 Reputation points
2 answers

windows 11 update

not able to update windows 11 get message retry refreshed the laptop still not able to update restarted computer still not able to update shut down computer and restarted still not able to update

Windows for home | Windows 11 | Windows update
asked 2026-08-07T14:09:51.2566667+00:00
Sebastian Zacharias 0 Reputation points
answered 2026-08-07T14:44:51.2+00:00
DaveM121 914.5K Reputation points Independent Advisor
2 answers

Unable to update Windows Defender to fix vulnerability CVE-2026-41091.

Hello, in our vulnerability scanner there's information on presence of CVE-2026-41091. We've attempted to update the signatures using method detailed here: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091 This unfortunately did not…

Windows for home | Windows 11 | Windows update
asked 2026-08-07T12:48:41.65+00:00
Oliwer Brewinski 0 Reputation points
answered 2026-08-07T13:25:38.7266667+00:00
TaoLi 101.4K Reputation points Independent Advisor
5 answers

How to fix window update troubleshoot to update window to fixed the issues

Troubleshoot window update. how to fix window update. troublestoot to update window to fixed the issues

Windows for home | Windows 11 | Windows update
asked 2026-05-10T12:37:46.1666667+00:00
piyush chaudhary 80 Reputation points
answered 2026-08-07T06:09:26.05+00:00
ajay vsv 0 Reputation points
1 answer

Issue with download and installation of windows11 version 25h2

I have been trying for the last 7 days trying to download and install windows11 version 25H2 and every time when the system says restart to install and after restarting I get a message that it failed please retry. I am running in this loop for the last…

Windows for home | Windows 11 | Windows update
asked 2026-08-07T04:16:41.4533333+00:00
anil walia 0 Reputation points
answered 2026-08-07T05:08:49.18+00:00
DaveM121 914.5K Reputation points Independent Advisor
2 answers

windows 11 update didnt work in the settings tried to do a manual update and its stuck at 99%

windows 11 update didnt work in the settings tried to do a manual update and its stuck at 99% how do i fix this i have tried the command prompt but that also gets stuck?

Windows for home | Windows 11 | Windows update
asked 2026-08-07T01:12:50.7833333+00:00
Nathaniel 0 Reputation points
answered 2026-08-07T02:02:58.9933333+00:00
Kayece Jan Mae Amizola 16,395 Reputation points Independent Advisor
1 answer One of the answers was accepted by the question author.

Repeated unsuccessful attempts to install 2026-07 .NET Framework Security Update (KB100998)

2026-07 .NET Framework Security Update (KB5100998) Failed to install on ‎8/‎3/‎2026 - 0x800f0920

Windows for home | Windows 11 | Windows update
asked 2026-08-03T21:43:00.0366667+00:00
Michael D Bailey 55 Reputation points
accepted 2026-08-06T22:44:20.2133333+00:00
Michael D Bailey 55 Reputation points
2 answers

Depois de atualizar o Windows ele pede para ativar

depois de instalar essa atualização Windows 11, version 24H2 (versão de reparo) Êxito na instalação em ‎25/‎08/‎2025 windows esta pedindo para ativar mesmo já tendo sido ativado

Windows for home | Windows 11 | Windows update
asked 2025-08-25T17:04:39.1466667+00:00
Rodrigues Padovan 0 Reputation points
answered 2026-08-06T21:38:48.04+00:00
MURILO ARAUJO 0 Reputation points
2 answers

Windows 11 25H2 Build 26200.8875 (KB5101650) caused system tray, audio, camera, microphone and network status issues on ASUS TUF A15

Device: ASUS TUF Gaming A15 FA506ICB Windows Version: Windows 11 Version 25H2 OS Build: 26200.8875 Update Installed: KB5101650 (installed on 15 July 2026) Issue: Immediately after installing KB5101650 and restarting the laptop, multiple Windows…

Windows for home | Windows 11 | Windows update
asked 2026-07-16T03:16:23.6966667+00:00
Sundaram Raviranjan Singh 0 Reputation points
edited a comment 2026-08-06T20:53:12.37+00:00
Ben Fisher 0 Reputation points
3 answers

how to update win11 22h2

My Win 11 version 22h2 will not update to the latest version. How do I go about this?

Windows for home | Windows 11 | Windows update
asked 2026-08-06T14:57:53.9166667+00:00
Don Starkie 0 Reputation points
answered 2026-08-06T16:54:04.73+00:00
Kapil Arya 38,206 Reputation points Volunteer Moderator
4 answers

Why is Windows Update constantly prompting for Intel - Extension - 2.1.10103.18 update and restart?

Everytime I start my computer, I get a Windows Update prompt at some point, which is consistently to install Intel - Extension - 2.1.10103.18. I believe it is already installed (actually, I think a newer version is installed) and would like to find a way…

Windows for home | Windows 11 | Windows update
asked 2025-12-10T05:30:05.9966667+00:00
Kent Scott 25 Reputation points
answered 2026-08-06T14:13:35.7133333+00:00
GW-CGI 0 Reputation points
1 answer

3 major issues with Windows 11 pro on mini pc

My son bought me this mini pc with Windows 11 Pro... I discovered it was updated from Windows 10 to Windows 11 Pro... June 22, 2026 - I had to reinstall windows 11. Did not know I had Pro at this time. Downloaded Windows 11. (PS: I thought Windows would…

Windows for home | Windows 11 | Windows update
asked 2026-07-31T14:00:33.0933333+00:00
Steve Borger 0 Reputation points
commented 2026-08-06T07:10:45.85+00:00
Hendrix-V 17,185 Reputation points Microsoft External Staff Moderator
4 answers

Windows 11 update KB5121767

Dear Microsoft. Please note the the update KB5121767 is causing pc's to freeze. My PC was perfectly stable, but installing this specific update caused instant freezes when playing heavy games like MTGA. Uninstalling the update and running sfc /scan now…

Windows for home | Windows 11 | Windows update
asked 2026-07-20T10:31:49.7833333+00:00
Derek Hayward 10 Reputation points
edited an answer 2026-08-05T21:28:36.3866667+00:00
Simon Allison 166 Reputation points
2 answers

How to Fix Common Windows 11 Issues and Improve PC Performance?

Why is my Windows 11 PC running slow after the latest update, and how can I improve its performance?

Windows for home | Windows 11 | Windows update
asked 2026-08-05T17:46:07.32+00:00
gumedelly sumanth 0 Reputation points
answered 2026-08-05T18:27:50.49+00:00
David-M 121.8K Reputation points Independent Advisor
4 answers

Error 0x80070005 when updating Windows to 29639.1000 for 6 times, together with CrossDeviceResume.exe incorrect parameter

I'm a Windows 11 Insider Preview member and I'm in 26H1(Future Platforms). I'm trying to update my laptop's OS from 29617.1000 to 29634.1000/29639.1000, but it returns 0x80070005 for 6 consecutive times, which means access is denied. I've ran the Windows…

Windows for home | Windows 11 | Windows update
asked 2026-08-04T04:59:54.93+00:00
Kelly Fu 20 Reputation points
answered 2026-08-05T15:49:21.2366667+00:00
SD - IA 175.8K Reputation points Independent Advisor
2 answers

Stuck on updates at 87%

I was doing updates and I got a message to reload and update using Windows Repair. This I did from within the updates section. My computer has been stuck on 87% complete for over 12 hours and of course the instruction is to keep the computer switched…

Windows for home | Windows 11 | Windows update
asked 2026-08-05T14:14:19.0166667+00:00
John McDowell 0 Reputation points
answered 2026-08-05T14:52:47.0566667+00:00
DaveM121 914.5K Reputation points Independent Advisor
1 answer

2026-07 Security Update (KB5101650) (26200.8875) causing issues with OnDemand (2015) shop software

I discovered a bug with windows update with my shop software CD collection of OnDemand5 which helps me troubleshoot vehicles wire diagrams for my business. This windows update that I have narrowed down has cause the Adobe SVG 3.0 thats used to display…

Windows for home | Windows 11 | Windows update
asked 2026-08-05T06:31:14.66+00:00
Chad - CLG Performance 0 Reputation points
answered 2026-08-05T13:52:55.4166667+00:00
Carl-L 19,410 Reputation points Microsoft External Staff Moderator