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how to fix Windows 11 latest updates that keep sending Error #Ox80070306

Sue T Patterson 20 Reputation points
2026-01-27T21:54:10.46+00:00

Error #Ox80070306 keeping me from downloading latest Windows 11 Updates. How to fix it?

Windows for home | Windows 11 | Install and upgrade
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  1. Lester Bernard Reyes 79,530 Reputation points Independent Advisor
    2026-01-27T22:27:09.5333333+00:00

    Hi, I'm Bernard, a fellow Windows user. I'm happy to help!

    This issue occurs when there is a miscalibration or corrupted system files with the Windows Update. Kindly follow the steps provided by Q&A Assist. However, if the issue persists, I suggest performing an in-place upgrade, which will update the device to the latest version and repair all issues without deleting any files.

     

    Kindly follow the steps from this link:

    https://learn.microsoft.com/en-us/answers/questions/4252110/how-to-run-in-place-upgrade-in-windows-11

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  1. Lester Bernard Reyes 79,530 Reputation points Independent Advisor
    2026-01-30T07:58:05+00:00

    Hi Sue T Patterson, you are always welcome, and I hope it will all be good now.

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  2. Q&A Assist
    2026-01-27T21:54:20.75+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    To resolve the error code 0x80070306 when trying to download the latest Windows 11 updates, you can try the following steps:

    1. Run Windows Update Troubleshooter: Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters and select Windows Update. Run the troubleshooter and follow the prompts to fix any detected issues.
    2. Check Disk Space: Ensure that you have enough disk space available on your device. Windows updates require sufficient space to download and install.
    3. Reset Windows Update Components: You can reset the Windows Update components by running the following commands in an elevated Command Prompt (run as Administrator): 
         net stop wuauserv
   net stop cryptSvc
   net stop bits
   net stop msiserver
   net start wuauserv
   net start cryptSvc
   net start bits
   net start msiserver
    4. Rename SoftwareDistribution and Catroot2 Folders: You can rename these folders to reset the update cache. Open Command Prompt as Administrator and run: 
         ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
   ren C:\Windows\System32\catroot2 catroot2.old
    5. Check for Corrupted System Files: Run the System File Checker tool by executing sfc /scannow in the Command Prompt. This will scan for and repair any corrupted system files.
    6. Perform a Clean Boot: Sometimes, third-party applications can interfere with the update process. Performing a clean boot can help identify if this is the case. You can find instructions on how to perform a clean boot on the Microsoft support site.
    7. Manually Download the Update: If the error persists, you can manually download the latest update from the Microsoft Update Catalog website.

    If none of these steps resolve the issue, consider seeking further assistance from Microsoft support or community forums.

    References:

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