Error 0x8007007f when using Windows 11 installation wizard


Are you facing an error code 0x8007007f when upgrading to new Windows 11 using Windows 11 installation wizard? Here is a guide that will help you solve this problem.

Windows 11 is now officially available to the general public. To move to the successor of Windows 10, that is, Windows 11, Microsoft released the Windows 11 installation wizard. It allows you to upgrade your PC from Windows 10 to Windows 11 without any problem.

However, some users have encountered the error code 0x8007007f with the “Something went wrong“Error message. This is preventing you from successfully installing Windows 11. If you are one of those who encounter the same error, this article will help you. Here we are going to discuss several fixes that will help you resolve this error. .

What are the causes of error 0x8007007f while using Windows 11 installation wizard?

Before we discuss the fixes to resolve this error, let’s try to understand the causes and scenarios that can trigger this error. Here are some of the possible causes of this error:

  • Insufficient administrator permissions to run the Windows 11 setup wizard can cause this error. In this case, running the installation wizard as an administrator will help you fix the error.
  • If you are using a third-party antivirus, it may interfere with the upgrade process and therefore cause this error. So try disabling or uninstalling non-Microsoft antivirus software to resolve the issue.
  • Another reason for the error could be outdated GPU drivers. If the scenario applies to you, update all of your graphics drivers to correct the error.
  • Insufficient storage or disk space can also cause the upgrade process to fail with this error code. So make sure that you have enough disk space to complete the upgrade process. Otherwise, free up space to resolve the error.
  • In case of corrupt or damaged system files, you might receive this error code. If this scenario applies to you, run an SFC scan followed by a DISM scan to counter the error.

Now let’s see the solutions to fix the error in detail.

Fix error 0x8007007f when using Windows 11 installation wizard

Here are the methods you can use to fix error code 0x8007007f encountered while using Windows 11 setup wizard:

  1. Disable the third-party antivirus and relaunch the Windows 11 installation wizard as an administrator.
  2. Enable User Account Control.
  3. Free up space on the system partition.
  4. Update your graphics drivers.
  5. Perform an SFC scan.
  6. Use Microsoft’s Windows 11 disk image (ISO) file to upgrade to Windows 11.

1]Disable the third-party antivirus and restart the Windows 11 installation wizard as an administrator

The first thing you should try to fix this error is to disable your third party antivirus in case you use one. It is a known fact that antivirus interferes with the upgrade / update process and can lead to many errors. So disable virus protection for a while until the upgrade process is complete.

After that, when relaunching the Windows 11 installation wizard, make sure to run it as administrator. To do this, go to the desktop or to the location where the Windows 11 Setup Assistant program is located. Then, right-click on the program and in the context menu, select the option Run as administrator. Click Yes in the UAC dialog box, and then use the Windows 11 installation wizard.

See if that fixes the problem for you. Otherwise, you will have to try additional troubleshooting methods. So, move on to the next potential solution.

2]Enable User Account Control

You may need to enable User Account Control (UAC) in case running the Windows 11 setup wizard as an administrator does not work for you. UAC is a great security feature. However, you can try to enable it in case the above solution doesn’t work and see if the error is fixed.

To enable User Account Control, here are the steps you can try:

  1. First, find Control Panel from the taskbar search option and then open it.
  2. Now tap on System and Security option in Control Panel window.
  3. Then click on Change User Account Control Settings option.
  4. After that, on the next screen, drag the cursor to the Never let me know option.
  5. Finally, click on the OK button and then confirm Yes in the UAC dialog box.

You can try using the Windows 11 installation wizard and check if the error is fixed.

Related: Installation failed in SAFE_OS phase during INSTALL_UPDATES, 0x800F081F – 0x20003

3]Free up space on the system partition

As we discussed earlier in this article, the error may be the result of insufficient disk space on your system required to perform an upgrade. The Windows 11 installation wizard will download Windows 11 to your system drive and to the same partition. So, if you are running out of disk space, you may encounter the error 0x8007007f. Therefore, make sure that you have enough disk space to install Windows 11; it is recommended to have at least 100 GB of free space to ensure that you do not get this error.

You can free up disk space by using the Disk Cleanup utility. There are other ways to clean up or free up disk space. You can also use free software like Comet (Managed Disk Cleanup) or Cleanmgr + to clean up disk space. Moreover, delete duplicate files from your PC to clean up the necessary space.

If this scenario does not apply to you, go to the next fix to resolve the error.

Related: Error 0x800f0830-0x20003, the installation failed in the SAFE_OS phase with an error during the INSTALL_UPDATES operation

4]Update your graphics drivers

If you have outdated drivers, you might end up receiving this error code while using the Windows 11 installation wizard. It is never a good idea not to update your drivers regularly. . Bad and old drivers can cause many problems including errors during the upgrade or update process. So update all your graphics drivers and then see if the problem is resolved.

To update your graphics drivers, you can open the Settings app by pressing the Windows + I keyboard shortcut, then go to Windows Update and click the Advanced Options button. After that, in the Additional Options section, tap on Optional Updates option. Then you need to select all the updates related to your graphics drivers and install them all on your PC.

You can also start over by uninstalling your graphics driver and then downloading the latest version from the manufacturer’s official website like Intel, NVIDIA or AMD. Download and then install the most recent version of your graphics drivers.

See if updating your GPU drivers fixes the issue for you.

Read: Fix Windows Upgrade Assistant error 0xC1900200

5]Perform SFC scan and DISM scan

This error can be the result of corrupt and faulty system files. In this case, you can counter the error by running an SFC scan on your Windows 10 installation. SFC or System File Checker is a useful Windows utility that checks and repairs damaged system files and restores missing files. In addition, you can also perform a DISM or management and maintenance scan of the deployment images to correct any other corruption.

  1. First, open the command prompt with administrator privileges.
  2. Now enter the command below in CMD:
    sfc /scannow
  3. Wait a while for the SFC scan to finish. After that enter the DISM scan command below:
    Dism /Online /Cleanup-Image /RestoreHealth
  4. Once the scan is complete, run the Windows 11 installation wizard again and see if the error is fixed.

6]Use Microsoft’s Windows 11 disk image (ISO) file to upgrade to Windows 11

If you still cannot install Windows 11 using the installation wizard, an alternative is to use the Windows 11 disk image (ISO) file to upgrade to Windows 11. Microsoft now provides an official ISO file that you can download and then use to install Windows 11 on your system.

TRICK: You can create bootable Windows 11 installation media using the media creation tool.

How to fix the error 0x8007007f?

To fix the error 0x8007007f that occurred while installing Windows updates, you can first try restarting your PC and try to install the updates again. If that doesn’t solve the problem, you can try disabling your antivirus or performing a system restore to the point where your PC was in good working order. Apart from this, you can also attempt to perform an SFC scan to validate and repair corrupt system files and other corruptions on your PC.

How to fix a Windows installation error?

In order to fix a Windows installation error, here are some general fixes that will help you in most cases:

  • Remove all non-essential hardware devices such as headphones, printers, scanner speakers, USB drives, and external hard drives.
  • Try to run the updates several times and see if the error is gone.
  • Disable or uninstall any third-party anti-virus software, as anti-virus software is known to cause problems during the update or upgrade process.
  • Free up disk space to ensure that you have enough space to complete the upgrade process.
  • Uninstalling old or non-essential software can also help you fix an installation error.

That’s it!

Error 0x8007007f when using Windows 11 installation wizard

About Irene J. O'Donnell

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