[FIJO] We couldn’t complete updates, undoing changes

If you get an annoying error message when starting Windows 10 that says » We couldn’t complete updates, undo changes, don’t turn off your computer «, And it automatically restarts and shows the same error again (this cycle continues) then this page will help you get rid of this irritating problem.

For advanced Windows 10 users, updates are surely a never-ending process. But sometimes when installing updates, the screen shows an error message that says: » We could not complete the updates, undo changes, do not turn off the computer. And then you find yourself trapped in a endless boot cycle .

Don’t worry, sit back and relax, this page will walk you through everything related to this problem, including various methods to fix it.

Causes of the error “Update failed, undoing changes”

First of all, why does this problem occur? There are underlying reasons for this problem that may be avoidable or unavoidable for the end user.

  1. The update could not be downloaded successfully.
  2. The operating system has corrupted files or errors.
  3. The update was interrupted during the installation in Windows due to battery drain or the user mistakenly shut down the machine while installing the updates.
  4. There is not enough space on the disk.

How to fix »We couldn’t complete updates, undoing changes»

Solving this problem is not a tedious process. There are two possibilities related to this problem:

a) You can log into Windows

This may be the case where you may have a multiboot system, that is, you have more than one operating system installed on your machine. This can be useful as you can start your system using another OS option or other versions and once it has started successfully we can alter some files and properties as follows:

Method # 1.1: Delete the software distribution folder

The Software Distribution folder it is one of the folders in the Windows directory that contains temporary files. These files are required to install Windows Update on your computer. So, we can remove these recent update downloads that help the files on the internal hard drive of the computer to start over from Windows and re-download the updates again.

This can be accomplished by following the steps below:

    1. Start by pressing the Windows key + X and click Command Prompt (Admin) or Windows Power Shell (Admin) in the pop-up window.
    2. A blue command prompt console window will open. Scribe these commands and press enter after each command.
      to) net stop wuauserv
      b) net stop bits
      c) net stop cryptSvc

      d) net stop msiserver
  • Then go to the following path in Computer:
    C: Windows SoftwareDistribution.
  • Remove all files and folders within this folder.
  • Repeat step 1 of this method, that is, press the
    Windows key + X and select Command Prompt (Administrator) in the pop-up window.
  • As in step 2, retype these same commands in the Command Prompt panel and remember to press enter after each of them.
    to) net stop wuauserv
    b) net stop bits
    c) net stop cryptSvc

    d) net stop msiserver
  • Reboot your pc.
  • Finally, install updates again. If the problem persists, try to restore the PC to date before downloading the updates, either by using the system restore option in the control panel or by following the instructions in method # 2.1.
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Method # 1.2: by the Windows update troubleshooter

Another simple method to fix the “We couldn’t complete updates undoing changes” error is to use the official Windows 10 Update Troubleshooter.

Windows support can sometimes be helpful as vendor-supplied diagnostic tools can fix problems more accurately. you need to follow the following steps for that:

    1. Open this link simply by clicking on it.
    2. Choose Download the troubleshooter for Windows 10 (It is also available for other versions of Windows such as Windows 7 or 8 or 8.1).
    3. Open the downloaded file to run (grant access permission by clicking yes).
    4. Click on Next in the window that opens. This will start Windows Update Troubleshooter .
    5. After this, just follow the onscreen instructions to complete the diagnostic and troubleshooting process.
    6. Lastly, after successfully completing the process, try reinstalling the updates.

Method # 1.3: enable app preparation

App Readiness Service allows the user to install Windows updates, therefore it must be enabled. But sometimes it gets disabled due to some reasons and to enable it, follow these steps:

  1. First, press Windows Key + R together to open Run and type » services.msc »In the Run text field.
  2. After that, right click on the application preparation to select Properties.
  3. Then set the Startup Type to Automatic and click the option Beginning .
  4. Click on To accept, then click Apply and then close the services window.
  5. Finally, reboot your PC.
  6. See if it solves the problem of » We could not complete the updates, undoing changes » .

Method # 1.4: disable automatic update.

If updating Windows is not your priority or need, disabling automatic update will surely solve this problem since the next time you start your PC, you will not see “Installing updates” . So no more » We couldn’t complete updates, undoing changes « . To disable this automatic update, follow these simple steps:

  1. Press the Windows key + R to open Run or you can search for Run from the start menu.
  2. Scribe services.msc and hit enter.
  3. Find and right click on Windows Update and then select Properties.
  4. Click on Stop and choose Startup type disabled .
  5. Click on Apply followed by To accept .
  6. Reboot your PC and you will not see the error message again.
  7. Also, try reinstalling the updates after 20-30 days or when a new update arrives.
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These solutions are likely to correct the problem. If you can’t log into Windows and are stuck in a reboot cycle, read the following solution case.

b) You cannot log into Windows and are stuck in a reboot cycle.

Note: After you can log into Windows, try all the methods mentioned above.

This is another case where you are unlucky to have a single boot machine and you are really in the Dr. Strange time-loop situation, “Dormammu, we couldn’t complete updates, undoing changes.” Just playing with Marvel. Don’t worry, we’re going to break up; this loop by following the methods below.

Method # 2.1: Perform a system restore .

There is a rollback option in Windows where you restore the PC to a checkpoint date known as System Restore. Restoring the system from the bootloader is quite different from when you actually logged in. But it can be done simply by following these steps:

  1. Forced reboot, long pressing the power button .
  2. Right when you see the manufacturer’s logo, press the F8 or F2 key (depends on the machine you are using) to enter the settings of the BIOS .
  3. There are several ways to enter Advanced startup options, but in this situation, the Windows 10 USB or DVD installation It will be very useful. (or you can choose to start your PC from the recovery drive if you have created one on your PC)
  4. Select the idiom and click Next .
  5. Click on Repair your computer in the lower left corner.
  6. In the next window, choose the Troubleshoot option.
  7. On this screen, select the Advanced option .
  8. After successfully reaching the advanced start menu, click on Restore system .
  9. Select the restore point before the date you downloaded the updates or before the day the problem was not there and restore your computer.
  10. Therefore, Windows will will restart correctly and will test the method # 1.1 if you want to reinstall the updates.

Method # 2.2: Delete update files via CMD .

When the system cannot create any restore points, the above method fails. For that reason, the alternative approach to this problem is to delete the update files to download them again and reinstall them as a result, the error is fixed. A similar approach is carried out in Method # 1.1: Delete the software distribution folder.

  1. Follow the steps 1 to 7 represented in the Method # 2.1 .
  2. As the eighth step, in the Advanced Options screen , click on Command prompt at place of system recovery.
  3. A command prompt window will appear. Type the following commands so sequential and press enter after each of them:
    a) cd C: Windows
    b) from C: Windows SoftwareDistribution *. * / S / q
  4. Closing the command prompt window
  5. Reboot your pc.
  6. As a result, you will be able to log into Windows normally by getting caught in the loop.
  7. Finally, try reinstalling the update and maybe this time you will get rid of the error message » we could not complete the updates, undoing changes » .

Method # 2.3: disable secure boot .

Disabling Secure Boot is one of the methods if the above doesn’t work for you. Steps to disable Secure Boot:

    1. First, enter the BIOS setup , as in steps 1 and 2 of Method # 2.1 .
    2. Navigate to settings Safe boot (You will likely find this setting generally in the Security tab or in the Authentication tab or in the Boot tab ), switch to disabled .

      After disabling Secure Boot, enabling it again is difficult without restoring your PC to factory state.
    3. Finally, reboot your PC.
    4. Consequently, the updates will be installed successfully without any error messages like “We couldn’t complete updates, undoing changes.”
  • After the whole process, don’t forget enable the option of safe boot from BIOS setup.
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Various methods

  1. If you know which recent files you downloaded are causing problems, delete those troublesome files.
  2. Try to free up some space on the computer’s hard drive to accommodate the upgrade by deleting some useless data or increasing the system reserved partition.
  3. Also, try disabling the Windows firewall and antivirus, then try again to reinstall the updates.
  4. Run SFC and DISM


In conclusion, it is quite safe to eradicate the problem after trying all these methods without deleting your personal data.

If the problem persists, format / reinstall Windows on your PC (if you’re pretty sure there’s nothing important on your C System drive). It is a recommendation never to keep important data on the C drive because sometimes the need to format the PC may arise.

That’s it, I hope you came out successfully “We couldn’t complete the updates, undoing changes. Don’t turn off your computer « problem and if you still have any queries regarding this update, feel free to ask in the comments.

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