Recently Microsoft has released, Windows 10 cumulative update KB5006670 for devices running Windows 10 version 20H2 (October 2020 Update) that include improvements and bug fixes for the OS. All compatible devices automatically download and install the KB5006670 update via windows update. But some of the user’s Windows 10 21H1 Cumulative Update Failed to install with Error – 0x800F0922. The update will get to about 99% and then report that it failed.
Windows 10 update failed to install
2021-08 Cumulative Update for Windows 10 Version 21H1 for x64-based Systems (KB5006670) – Error 0x800f0922
In most cases, Windows update failed to install or the error shows up because the computer is unable to connect to the appropriate update server, there is not enough memory in the system reserved partition. Also, the Windows update database gets corrupted which results Windows update being stuck or failed to install, etc. If you are also struggling form this problem, Windows update fails to install here some effective solutions you must try.
Here is the solution that worked for Me!
- In the search box on the taskbar, type cmd.
- Right-click Command Prompt in the search results and select Run as administrator. (Select Yes, when prompted by the User Account Control.)
- In the Administrator: Command Prompt window, type the following command and press Enter: SC config trustedinstaller start=auto
- Restart the PC.
In some cases, a second restart may be required. If you look under Settings > Update & security and you see the message Status: Awaiting restart, restart the PC a second time to complete the installation.
Perform a clean boot
Temporarily Disable security software (antivirus) if installed, and disconnect VPN connection. Then check for updates, install the available updates and then turn on your antivirus protection.
Clean booting your computer may also help to fix the problem If any third-party software causing confliction to download & install windows updates.
- Go to the search box > type msconfig
- Select System Configuration > go to the Services tab.
- Select Hide all Microsoft services > Disable all.
Hide all Microsoft services Go to Startup tab > Open Task Manager > Disable all the unnecessary services running there. Restart your computer and check for updates.
Run Windows Update Troubleshooter
Run the windows update troubleshooter that checks and fixes the problem that prevents windows update to download and install.
- Open Settings using the keyboard shortcut Windows + I,
- Click Update & security then Troubleshoot
- Select Windows update and click run the troubleshooter.
- This will check for the corrupted database, restart windows update and its related services and problems prevent installing windows updates.
- Restart windows after complete the troubleshooting process
- Now check for updates from settings, updates & security.
Reset windows update components
If none above solutions fix the problem for you, still windows update fails to install or stuck checking updates for hours, it might be that something went wrong with the update files itself. Clearing the folder where all of the update files are stored will force Windows Update to download fresh files. Here is how to clear update database cache, reset windows update components to the default setup.
- Press Windows + R, type services.msc, and ok to open windows services.
- Scroll down and look for windows update service.
- Right-click on it and select stop.
- Also, do the same with BITs (Background Intelligent Transfer Service) and Superfetch (superfetch now called sysmain) right-click and select stop.
- Now Go to the following location .C:\Windows\SoftwareDistribution\Download.
- Delete everything inside the download folder, but do not delete the folder itself.
- To do so, press CTRL + A to select everything and then press Delete to remove the files.
- Again open windows services and restart the services (windows update, BITS) which you previously stopped.
- Restart Windows, and check for updates from settings, update & security.
We couldn’t connect to the update service
If you are getting, Error message We couldn’t connect to the update service while checking and installing windows updates changing the DNS server address fix the problem for you.
- Press Windows + R, type ncpa.cpl and ok
- This will open the network connections window,
- Right-click the network interface which is in use.
- For example: right-click the connected ethernet adapter displayed on the screen. Select Properties.
- Double click on Internet Protocol Version 4 (TCP/IPv4) from the list to get its properties window.
- Here select the radio button Use the following DNS server addresses
- Preferred DNS server 18.104.22.168
- Alternate DNS server 22.214.171.124
- Click on validate settings upon exit and ok
- Now check for updates, there is no more Update service error
Install Windows Update manually
If all the above solutions fail to fix the problem, still windows update stuck downloading or fails to install then let’s install windows updates manually. Visit the Windows 10 update history webpage where you can notice the logs of all the previous Windows updates that have been released.
For the most recently released update, note down the KB number.
Now use the Windows Update Catalog Website to search for the update specified by the KB number you noted down. Download the update depending on if your machine is 32-bit = x86 or 64-bit=x64.
As of Today – KB5006670 (OS Builds 19041.1288, 19042.1288, and 19043.1288) is the latest update for Windows 10 version 21H1, 20H2. and KB5006667 (OS Build 18363.1854) is the latest update for Windows 10 version 1909.
You can get the direct download link for these updates from here.
That’s all after installing the updates simply restart the computer to apply the changes. Also
If you notice Windows 10 feature update version 21H1 stuck checking updates, fail to install with different errors then use the official media creation tool to upgrade windows 10 version 21H1 without any error or problem.
Run DISM command
Sometimes fail to install update problems could be caused by corrupt system files. In this case, Microsoft suggests you run the DISM (Deployment Image & Servicing Management) tool to help you fix some Windows corruption errors. After that run command sfc /scannow and ok to scan and restore missing corrupted system files. after 100% complete the scanning process restart windows and check for updates.
Did any of these solutions help you fix the problem? Let us know in the comments below. Also, Read
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