Windows 10 May 2019 Update

Windows 10 update KB4457128 failed to install error 0xca00a000 (Version 1803)

Microsoft has recently released Cumulative Update KB4457128 for devices running Windows 10 version 1803 to address several bugs such as addresses an issue that prevents printing on a 64-bit OS when 32-bit applications impersonate other users (typically by calling LogonUser) and few other problems with input devices, Microsoft Edge, Device Guard, networking, and more. Compatible devices connected Microsoft server will automatically install this update KB4457128 via windows update and bumps the OS Windows 10 build 17134.285. But for some users, windows update not going well as windows update stuck checking for updates, update downloading and installation stuck installing or Cumulative update for Windows 10 V1803 for x64-based Systems (KB4457128) failed to install with a different error such as error 0xca00a000, 80072ee2, 0x800f081f etc.

Windows 10 Cumulative update (KB4457128) failed to install Error 0xca00a000

Users report the problem on Microsoft forum, Reddit as, Latest update (KB4457128) failed to install with following error messages like

2018-09 Cumulative Update for Windows 10 Version 1803 for x64-based Systems (KB4457128) – Error 0xca00a000

Some update files are missing or have problems. We’ll try to download the update again later Error code: (0x80073712)

Windows 10 update KB4457128 error 0xca00a000
Windows 10 update KB4457128 error 0xca00a000

Fix windows 10 update failed to install

There are various reason that causes windows update fails to install, Stuck downloading, or installing, Such as a poor internet connection refuse Download update files from Microsoft server, or Take login time to download the update files where you found your self stuck hours for downloading updates. Check and make sure you have a stable internet connection.

Remove third-party security software

Again sometimes security software (Antivirus) also prevent to do any changes that result windows update stuck installing. We recommend Temporarily Disable/uninstall antivirus software if installed and check for windows updates.  +

The solution that worked for Me!

  1. In the search box on the taskbar, type cmd.
  2. Right-click Command Prompt in the search results and select Run as administrator.  (Select Yes, when prompted by the User Account Control.)
  3. In the Administrator: Command Prompt window, type the following command and press Enter: SC config trustedinstaller start=auto
  4. 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.

Windows Update Troubleshooter

Windows has a built-in update troubleshooter that will try to detect and automatically resolve any problems preventing Windows Update to download and install properly. As its very useful tool that mostly fix windows update problems with few clicks. We recommend to run the windows update troubleshooter before try other solutions.

You can Run the ‘Windows Update Troubleshooter’ from Settings > Update & Security > Troubleshoot > Windows Update, OR – better – download and run the Windows Update Troubleshooter.

Run windows update troubleshooter
Run windows update troubleshooter

It will then begin to detect any problems prevent windows updates install and automatically repair them. If it finds any, it will list them and whether it was able to resolve them or not. From here you can View detailed information to find out more.

When the troubleshooting process complete, click Close to end the troubleshooter. Restart windows and on next login rerun Windows Update and see if it truly has resolved your issues. If not don’t worry try the next solution.

Clear Windows Updates Download Folder

Your Windows Update may fail to update your Windows because its components are corrupted. These components include the services and temporary files and folders associated with Windows Update. You can try resetting these components, Clearing the folder where all of the update files are stored will force Windows Update to download afresh, which can help resolve any problems.

To reset these components Click the Start button in the lower left corner of your screen, then type “cmd“. In the list of results, right-click Command Prompt and select Run as administrator. Now perform command below to stop windows update and its related services.

  • net stop bits
  • net stop wuauserv
  • net stop appidsvc
  • net stop cryptsvc

Now open C:\Windows\SoftwareDistribution\Download Folder where Windows stores the new updates after downloading them. And any corruption on that folder cause problems during downloading or installing updates.

Delete everything in the folder, So that windows download the fresh update files on next time when you check for updates. To do so, press CTRL + A to select everything and then press Delete to remove the files.

delete windows update cache
delete windows update cache

Now again open Command Prompt, type these commands and press Enter after each to restart the services you stopped before:

  • net start bits
  • net start wuauserv
  • net start appidsvc
  • net start cryptsvc

That’s all restart your computer and run Windows Update. This is the best solution users recommend which fix most of the windows update related problems and i hope this also fix the problem for you.

Windows corruption errors with DISM & SFC tools

If performing above solutions didn’t resolve the issue, still, windows update fails to install, There is chance corrupted system files causing the issue. We recommend run the DISM and SFC utility to repair the system image and restore missing system files. To do that:

Open the command prompt as administrator. Type Command  Dism.exe /Online /Cleanup-Image /Restorehealth to repair system image. After 100% complete the scanning process run sfc /scannow command to scan and restore missing system files. Restart windows when sfc utility complete the scanning process and check for updates.

Manually install windows updates

Also you can resolve the problem manually by installing the latest Windows 10 updates.

    • 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 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 12 September 2018 – KB4457128 is the latest patch for Windows 10 April 2018 Update, and KB4343893 is the latest patch for Windows 10 Fall Creators Update).
    • Open the downloaded file in order to install the update.

That’s all after installing the updates simply restart the computer to apply the changes. Also If you are getting windows update stuck while upgrade process simply use official media creation tool to upgrade windows 10 version 1803 without any error or problem.

Other Common Windows Update Errors

The following table lists the most common upgrade and installation errors and some things you can try to fix them. If you continue having problems upgrading or installing Windows 10, contact Microsoft support.

ErrorWhat it means and how to fix it
0xC1900208 – 0x4000CThis could indicate that an incompatible app installed on your PC is blocking the upgrade process from completing. Check to make sure that any incompatible apps are uninstalled and then try upgrading again.
0xC1900107A cleanup operation from a previous installation attempt is still pending, and a system restart is required to continue the upgrade. Restart the device and run setup again. If restarting device does not resolve the issue, then use the Disk Cleanup utility and clean up the temporary files and the System files. For more information, see Disk cleanup in Windows 10.
0x80073712A file needed by Windows Update is likely damaged or missing. Try repairing your system files: Select the Start  button and type command prompt in the search box on the taskbar. Choose Command Prompt from the list of results. In the window that appears, type DISM.exe /Online /Cleanup-image /Restorehealth and press the Enter key.

0xC1900200 – 0x20008
0xC1900202 – 0x20008
This may signify that your PC doesn’t meet the minimum requirements to download or install the upgrade to Windows 10. Learn more about the minimum requirements for Windows 10
0x800F0923This might indicate that a driver or other software on your PC isn’t compatible with the upgrade to Windows 10. For info about how to fix this problem, contact Microsoft support.
0x80200056This could mean that the upgrade process was interrupted because you accidentally restarted your PC or signed out of your PC. Try upgrading again and make sure your PC is plugged in and stays turned on.
This error might mean that your PC couldn’t connect to the Windows Update servers. If you’re using a VPN connection to connect to a work network, disconnect from the network and turn off the VPN software (if applicable) and try upgrading again.
The error could also mean there isn’t enough free space in the System Reserved partition. You might be able to fix this problem by using third-party software to increase the size of the System Reserved partition.
Error: We couldn’t complete the updates. Undoing changes. Don’t turn off your computer.
Error: Failure configuring Windows Updates. Reverting changes.
These are generic errors that might appear any time a Windows update fails. You’ll need to determine the specific error code to investigate how to best resolve this problem.
You can find the error code for the failed update by viewing your update history. Look for the update that wasn’t installed, note the error code, and then contact Microsoft support.


To view your update history in Windows 8.1:

  • Open Windows Update by swiping in from the right edge of the screen (or, if you’re using a mouse, pointing to the lower-right corner of the screen and moving the mouse pointer up), select Settings  > Change PC settings > Update and recovery View your update history.
To view your update history in Windows 7:
  • Select the Start
    Start button icon

    button. In the search box, type Update, and then, in the list of results, Select Windows Update View update history.

Error: The update isn’t applicable to your computer.This error might mean that your PC doesn’t have the required updates installed. Check to make sure that all important updates are installed on your PC before you try upgrading.
0x80070070 – 0x50011
0x80070070 – 0x50012
0x80070070 – 0x60000
This likely indicates that your PC doesn’t have enough space available to install the upgrade. Free some space on the drive and try again. Get tips for freeing up drive space

Did these solutions help to fix “windows 10 update failed to install”? Let us know which option worked for you Also Read Solved: Ntoskrnl.exe High CPU usage on Windows 10 Version 1803.

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