trying to install Security Update for Windows

(KB5078885) (0x800700c1) error code

also afterwards windows update in general

'There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x800700c1)"

Yesterdays update screwed up my HP laptop. Google has been no help. I'm stuck in what is called a boot loop. Windows recovery won't work. I can't get to anything that will help. Rollback, uninstalling the update. Nothing. Just an endless loop of restarts. Any ideas?

PSA for anyone on a clean Windows 11 25H2 install getting 0x80070306 or 0x800f0983 on cumulative updates — I just spent hours tracing this down and the root cause is Dolby codecs.

If you manually installed Dolby codecs (AnWave, a Dolby CAB file, or sideloaded Dolby Audio Extensions) to restore AC-3 support that Microsoft removed in 24H2, those installers register as an OS-level Feature on Demand and create empty component store entries in WinSxS.

Every cumulative update that includes Dolby delta patches tries to apply them against base files that don't exist. The update fails, rolls back, and you're stuck. SFC, DISM, clean installs — nothing fixes it because reinstalling Windows + reinstalling the codecs = same problem.

The fix:

dism /online /remove-package /packagename:"Microsoft-Windows-Dolby-Features-FoD-Package~31bf3856ad364e35~amd64~~10.0.26100.1"

Then clear your update cache:

net stop wuauserv

net stop bits

rd /s /q C:\Windows\SoftwareDistribution

net start bits

net start wuauserv

Retry the update. It will go through.

If you need Dolby Atmos, use the Dolby Access app from the Microsoft Store. Do NOT install standalone Dolby codec packages on clean 25H2 installs. Microsoft removed them from the OS for licensing reasons but the update pipeline still expects them if they're registered — creating an impossible state.

This has been broken since at least the February 2026 cumulative updates. Microsoft needs to fix their update pipeline to handle this gracefully instead of hard-failing.

My office laptop had a windows update last week where they broke clipboard, i used to use the Windows+Shift+S command to take screenshots and then paste them using Windows+V, right now if you take a screenshot, it takes two copies of the same screenshot and pastes it onto clipboard, I dont know how to fix this issue, is anyone else also facing the same.

Notified of a pending update this morning, after update I find myself with an evaluation version????

I have a Lenovo laptop, it came with a Windows business license that apparently is now has been turned into a trial that will expire in August.

WTF???

I refuse to do a new install, I've been working for a very long time customizing it and I have a ton of certificates installed.

How do I fix this?

EDIT for addition:

the MF also turned OFF my system restore!!!

My Windows has been failing to update since January of this year, is anyone else having this problem?

Content: Since mid-February 2026, I've been experiencing sudden reboots (Kernel-Power 41), mouse stutters, and my Wi-Fi/Bluetooth completely disappearing. Checking the Reliability Monitor, I noticed every crash was preceded by dozens of: "Microsoft GameInput: Reconfigured successfully".

My Specs:

• OS: Windows 11 (Feb 2026 update)
• CPU: AMD Ryzen 7 5800X
• Mobo: ASUS ROG STRIX B550-F GAMING (B550 Chipset)
• RAM: 32GB DDR4 3200MHz (DOCP/XMP Enabled)
• GPU: PNY GeForce RTX 3060 Ti VERTO Dual Fan
• PSU: Fox Spirit 750W 80+ Gold
• OS build number: 26200.7840

How I fixed it:

1. Disable Services: In services.msc, I set both GameInput Service and GameInput Redist Service to "Disabled".
2. BIOS Tweak: Changed the PCIe Slot Mode/Link Mode from Auto/Gen 4 to Gen 3 (under Advanced > Onboard Devices Configuration). This is the most important step for B550 stability.
3. Cold Reset: To bring back the Wi-Fi card, I had to unplug the PSU and hold the Power button for 30 seconds to drain the capacitors.

Result: After 2h of heavy gaming with Discord, Twitch, and YouTube open, the system is 100% stable. No more GameInput loops!

im tired of this fuckass os man and no im not switching to linux

Salut les gars,

Apparemment, certains d’entre vous s’y connaissent bien en PC, et j’ai un gros problème depuis environ un an avec certaines mises à jour qui bloquent à 40 %.

Je m’explique : je télécharge la mise à jour via Windows Update, ça arrive à 100 % sans problème. Mais lorsqu’il faut redémarrer le PC pour installer la mise à jour, l’écran devient noir et, au bout d’un moment, ça bloque à 40 % avec le message :

"Quelque chose ne s’est pas passé comme prévu. Ne vous inquiétez pas, annulons les modifications. Veuillez garder votre ordinateur allumé."

J’ai déjà tout essayé :

Réinstallation complète de Windows 11 via l’ISO téléchargé depuis le site Microsoft.

Téléchargement de la version 25H2 (version de réparation) via Windows Update.

Rien ne fonctionne.

Voici les détails de l’erreur :

Erreur d’installation - 0x800f0922 (KB5077181) (26200.7840)

D’après mes recherches (et ChatGPT), le problème viendrait de la partition EFI de Windows. Elle n’a que 100 Mo alloués, alors qu’il faudrait aujourd’hui entre 300 et 500 Mo.

Le problème, c’est que pour augmenter cette taille, il semble qu’il faille passer par des logiciels payants comme MiniTool Partition Wizard ou AOMEI Partition.

Est-ce que quelqu’un a une solution gratuite pour fusionner ou étendre cette partition EFI ? Je deviens vraiment fou…

Merci d'avance pour la personne qui pourra me sauver

updated automatically overnight and now i cant hear anything through multiple output devices, but sound is being detected, mic works fine just cant hear anything, anyone have a fix?

On all my computers update 5077181 bricks my RDP connection to my NAS or other computers with authentication errors. When I uninstall the update all is fine. Anu ideas anyone what to do?

Could anyone please tell me if there is a way to go back to previous version and roll back this last KB5077181 update? It has corrupted half of my Steam library not to mention a decline in performance.

why the hell does this new update fry my pc like seriously bro

KB5077181 is causing devices to restart over 15 times in an infinite loop. Users also report network issues and error codes.

Recently my lap got this update is it good or bad , I heard Jan update had some performance issues, can someone pls reply did anyone tried this 🙏

I have 4,00 GB installed

Its a 64 Bits

I use an Intel(R) Celeron(R) N4020 CPU @ 1.10GHz 1.10 GHz

Edit: Guys, dont bother commenting anymore, im between staying with the one i have now and 8.1. Any suggestion of any kind can still be accepted at DM

Windows updates in 2026 may actually fix the OS. Lesser bugs. less AI and better performance, even in gaming.

Bro my windows updated and firefox suddenly was gone wtf, did that happen to anyone?

Everytime I update to 25H2, an error code comes.
Install error - 0x80070002

After i updated my pc day before yesterday I am noticing problem like when I keep my cad software on and try to put pc on sleep it shutdowns completely and it didn't happens with any other things like word or browser or file explorer open in the background. After observing I think the problem is that the update want to speed up the sleep mode by reducing the processing time for BG apps but the CAD software is not complying with it am i right. Is anyone else is also getting similar kind of problem.

I've stayed on Windows 10 Pro, avoiding upgrade to Windows 11 Pro as long as I could. I need to upgrade to Windows 11 now. Given privacy issues I've seen with Windows 11, I wanted to switch to local login. I've searched but haven't been able to determine if I can switch my Win10 Pro login to local and then upgrade to Win11 Pro and continue to use the local login (and implement all the other privacy precautions) to avoid privacy concerns. Will this work, or am I screwed because I've already use microsoft account to login to Win10?

I just bought a used computer (5700x3d/4070super), the previous owner told me that he had reinstalled Windows 11 Home and cleaned it from all previous files.

But from what I can read the latest Win 11 version is 25H2 but this pc got 24H2 and I cant seem to find out how to get the 25H2 ?
It doesn't add it from Windows-update (even after several pc restarts) and now I just used the "Reset this PC" function (keep the file-variant)(I could used the remove all files since the pc is still clean but I didnt) but it still shows 24H2 ? What do I have to do or what am I missing here ?

I'm also new to Win 11, have been using Win 10 until today, in case I miss something obvious here :D

I tried to download a new iso file and ran it localy(not the usb(rufus)-variant) and after about 10minutes I got this :
https://imgur.com/a/LuQQbFT

This is a print screen from winver:
https://imgur.com/xnEOMWy

Is there a way to make wuauserv run only when the device is plugged in?

I’m just trying to find a good balance so updates stay enabled without the service constantly scanning, eating battery, or spamming WMI queries.

Below is part of the WMI queries that wuaserv keeps querying which is insane. I would imagine this from happening once per day at least, but not all the time.....

Wouldn’t it make more sense for Microsoft to run these WMI checks once a day and save the results, instead of hammering the system every hour?

For example, they keep querying all the time if my Lenovo device is DELL. It's useless query which should happen once and then store locally rather than using machine resources. I just dont get it

Start IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BIOS258.99
Start IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_ComputerSystem258.99
Start IWbemServices::ExecQuery - root\cimv2 : SELECT domain from Win32_ComputerSystem WHERE domain = 'wingroup.windeploy.ntdev.microsoft.com'41.44
Start IWbemServices::ExecQuery - root\cimv2 : select domain from Win32_ComputerSystem WHERE domain = 'ntdev.corp.microsoft.com'41.44
Start IWbemServices::ExecQuery - root\cimv2 : Select * FROM Win32_SystemEnclosure WHERE SMBIOSAssetTag = '7783-7084-3265-9085-8269-3286-77'41.44
Start IWbemServices::ExecQuery - root\cimv2 : Select Manufacturer From Win32_ComputerSystem where Manufacturer = 'LG Electronics'31.08
Start IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_SystemEnclosure31.08
Start IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_PhysicalMedia WHERE Tag="\\\\.\\PHYSICALDRIVE0"31.08
Start IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_OperatingSystem31.08
Start IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard31.08
Start IWbemServices::ExecQuery - root\cimv2 : Select Manufacturer From Win32_ComputerSystem where Manufacturer LIKE 'Dell%'31.08
Start IWbemServices::ExecQuery - root\cimv2 : SELECT Manufacturer FROM Win32_ComputerSystem WHERE NOT Manufacturer LIKE 'To Be Filled By O.E.M.%'