Windows 10: Unable to install 2021-05 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems

Discus and support Unable to install 2021-05 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems in Windows 10 Installation and Upgrade to solve the problem; I have problem installing 2021-05 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems. The installer gets stuck at 20% and then... Discussion in 'Windows 10 Installation and Upgrade' started by Rahul Roy Verma, May 18, 2021.

  1. Unable to install 2021-05 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems


    I have problem installing 2021-05 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems. The installer gets stuck at 20% and then installation gets cancelled. I tried downloading and installing update manually but still same. I have searched the web and CBS Log file, here are the lines which show error-2021-05-18 20:18:53, Info CBS Store corruption, manifest missing for package: Package_for_KB4562830~31bf3856ad364e35~amd64~~10.0.1.2 2021-05-18 20:18:53, Error CBS Failed to resolve package 'Package_for_KB4562830~31bf3856ad364e35~amd64~~10.0

    :)
     
    Rahul Roy Verma, May 18, 2021
    #1

  2. Cumulative Update for Windows 10 for x64-based Systems (KB3156387) will not install

    Anyone else having problems getting the Cumulative Update for Windows 10 for x64-based Systems (KB3156387) installed? This update has been failing for me & doing a failed to update after downloading & reboot, then rebooting & removing the update.

    V 10.0 build 10240
     
    broken pixel, May 18, 2021
    #2
  3. rtwjunkie Win User
    Cumulative Update for Windows 10 for x64-based Systems (KB3156387) will not install

    Maybe try with the Windows update mini-tool, found here http://www.techpowerup.com/forums/t...dows-10-automatic-updates-and-spyware.218745/ , thanks to Mussels. it installed perfectly for me last night.
     
    rtwjunkie, May 18, 2021
    #3
  4. pburns57 Win User

    Unable to install 2021-05 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems

    2020-10 Cumulative Update Preview for Windows 10 Version 20H2 for x64-based Systems (KB4580364)

    2020-10 Cumulative Update Preview for Windows 10 Version 20H2 for x64-based Systems (KB4580364) but wont install at restart, just keeps showing Windows requires restart to install. Also tried install and shutdown but still same issue.
     
    pburns57, May 18, 2021
    #4
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Unable to install 2021-05 Cumulative Update for Windows 10 Version 20H2 for x64-based Systems

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