How to fix Windows 11 Installation Assistant error 0x8007007f

Do you encounter error 0x8007007f when using Windows 11 Installation Assistant to install Win 11 ? Don't worry too much, the ways to fix Windows 11 Installation Assistant errors below will help you.

How to fix Windows 11 Installation Assistant error 0x8007007f

Instructions for fixing Windows 11 installation errors

What is error 0x8007007f when using Windows 11 Installation Assistant?

Windows 10 users reported encountering error 0x8007007f when they tried to upgrade to Win 11 via Windows 11 Installation Assistant . Even people with PCs that meet the Windows 11 installation configuration requirements also encounter this problem.

Microsoft has not yet shared the cause of the error. Many people believe that error 0x8007007f when installing Windows 11 is due to administrative rights, faulty drivers or corrupted system files.

There is currently no exact method to fix this problem, but you can try the successful ways to fix Windows 11 Installation Assistant errors below.

How to fix error 0x8007007f on Windows 11 Installation Assistant

Run Windows 11 Installation Assistant with administrator rights

A third-party app running in the background may interfere with the operation of Windows 11 Installation Assistant, causing it to crash. Therefore, the most common solution to fix error 0x8007007f is to run Windows 11 Installation Assistant with administrator rights as follows:

1. Open the Windows 11 Installation Assistant program file on your PC.

2. Right-click on the program icon, and click Run as administrator from the drop-down menu.

How to fix Windows 11 Installation Assistant error 0x8007007f

Run the file with administrator rights

3. A dialog box appears asking you for permission. Click Yes to run Windows 11 Installation Assistant with admin rights.

4. Follow the onscreen instructions to install Windows 11 on your device.

If the Windows 11 Installation Assistant error is still not resolved, try the method below.

Turn off antivirus

You can also try disabling your antivirus program for a few minutes, then run Windows 11 Installation Assistant with admin rights.

Depending on the antivirus software, the steps to temporarily disable it will vary. In general, you can right-click on its icon, then select Disable with 2 options to disable for a short time or allow admin access when asked.

Update graphics driver

Occasionally, old graphics drivers on your PC can cause Windows 11 Installation Assistant error 0x8007007f. Therefore, please update it as soon as possible. Proceed as follows:

1. Open the Start menu, find Device Manager and click Best match .

2. In the Device Manager window , expand the Display adapters list .

How to fix Windows 11 Installation Assistant error 0x8007007f

Device Manager

3. Right-click the display adapter driver and click Update driver . After that, Windows 10 will automatically search for the latest available graphics driver.

4. Alternatively, you can also select Uninstall device and download the latest graphics driver from the manufacturer's website.

5. After installing/updating the driver, restart your PC and reopen Windows 11 Installation Assistant .

Check system files

Corrupt files often cause problems on your computer. If the above method does not fix the Windows 11 Installation Assistant error, scan the system files using Command Prompt.

1. Open the Start menu and find Command Prompt , right-click Best match , click Run as administrator and click Yes when prompted.

How to fix Windows 11 Installation Assistant error 0x8007007f

Command prompt window on Windows

2. In the command prompt window, type the following command and press Enter .

SFC /scannow

3. The System File Checker utility will now scan your PC for any corrupted files and automatically fix them.

4. Once the scan is complete, restart your PC.

Upgrade Windows 11 Disk Image

If you are still experiencing Windows 11 upgrade errors when using Installation Assistant, you can still upgrade the operating system in 2 methods:

The first method requires users to create an installation media using the Windows Media Creation tool, then use it to install Windows 11.

The second method is for users who want to install Windows 11 on a virtual machine or create a bootable installation media. You can easily download the ISO file of Windows 11, then install it without using a boot drive as follows:

  1. Download Windows 11 ISO from Microsoft .
  2. Select the downloaded file, right-click on it and select Properties .
  3. In the General tab , click Change to mount the ISO file without using a USB/DVD drive.
  4. Select Windows Explorer and click Apply .
  5. Right-click the ISO file again, then click Mount to create a virtual boot disk.
  6. Double click on the ISO file to view the setup file, finally double click setup.exe to open the Windows 11 installation setup.

You should back up files on external storage before installing Windows 11 .

Above is how to fix Windows 11 Installation Assistant error 0x8007007f . Hope the article is useful to you.

Sign up and earn $1000 a day ⋙

How to fix error 0xa00f4288 in Camera app on Windows 10 & 11

How to fix error 0xa00f4288 in Camera app on Windows 10 & 11

How to fix error 0xa00f4288 in the Camera app on Windows 10 & 11. Windows' default Camera App is the main tool for taking photos. So in the case of Win 10 & 11 cameras

How to open multiple programs with one shortcut on Windows 10

How to open multiple programs with one shortcut on Windows 10

How to open multiple programs with one shortcut on Windows 10, You can actually open multiple programs at the same time with a single key. Here's how to use one

How to delete old boot menu options on Windows

How to delete old boot menu options on Windows

How to remove old boot menu options on Windows, Windows 10 dual boot is useful but can leave redundant boot options in the menu. Here's how to remove the menu

Instructions for fixing Snipping Tool errors on Windows 11

Instructions for fixing Snipping Tool errors on Windows 11

Instructions for fixing Snipping Tool errors on Windows 11. Windows 11 has officially been released for a while, but during use there are still many errors

Instructions for entering text by voice on Windows 11

Instructions for entering text by voice on Windows 11

Instructions for entering text by voice on Windows 11, Entering text by voice on Windows 11 helps you significantly improve your work efficiency. Here's how

How to turn on/off Sticky Key on Windows 11

How to turn on/off Sticky Key on Windows 11

How to turn on/off Sticky Key on Windows 11, Sticky Key makes the PC keyboard easier to use. Here's how to turn Sticky Key on and off on Windows 11.

What is Windows Modules Installer?

What is Windows Modules Installer?

What is Windows Modules Installer?, Windows Modules Installer sometimes takes up a lot of system resources. Is Windows Modules Installer important or not?

How to increase volume in Windows 10

How to increase volume in Windows 10

How to increase volume in Windows 10, How to increase computer volume to maximum level? Let's learn with WebTech360 how to increase Windows 10 computer volume

How to use Windows 11 Installation Assistant to install Windows 11

How to use Windows 11 Installation Assistant to install Windows 11

How to use Windows 11 Installation Assistant to install Windows 11, Windows 11 Installation Assistant is one of the best ways to upgrade your computer to Windows 11.

How to turn off the startup sound in Windows 11

How to turn off the startup sound in Windows 11

How to turn off the startup sound in Windows 11, Does the PC startup sound bother you? Then please refer to how to turn off the startup sound for PC running Windows 11 below

Instructions for changing the screen lock timeout on Windows 11

Instructions for changing the screen lock timeout on Windows 11

Instructions for changing the screen lock timeout on Windows 11. While using Windows 11, there are times when users will need to leave the computer for a period of time.

Windows 11 optimization guide to increase FPS when playing games

Windows 11 optimization guide to increase FPS when playing games

Instructions for optimizing Windows 11 to help increase FPS when playing games, Windows 11 is an operating system platform that is introduced as more improved in gaming quality, helping games

Windows 11: How to use and customize the Quick Settings menu

Windows 11: How to use and customize the Quick Settings menu

Windows 11: How to use and customize the Quick Settings menu, Windows 11 brings some great new features and the Quick Settings menu is no exception. Here it is

How to fix the error of not being able to start Windows 11 after enabling Hyper-V

How to fix the error of not being able to start Windows 11 after enabling Hyper-V

How to fix the error of not being able to start Windows 11 after turning on Hyper-V. Hyper-V helps you run virtual machines on Windows. However, after enabling Hyper-V, you cannot post again

How to fix error 0xc00007b in Windows

How to fix error 0xc00007b in Windows

How to fix error 0xc00007b in Windows, Windows displays error 0xc00007b when the application does not work properly. Below is a step-by-step guide to fix error 0xc00007b in

How to change the login screen on Windows 10/11

How to change the login screen on Windows 10/11

How to change the login screen on Windows 10/11, Don't like the blurry screen when logging in on Windows 10/11? So, instructions on how to turn off and change the login screen

How to uninstall drivers in Windows 11

How to uninstall drivers in Windows 11

How to uninstall drivers in Windows 11, Do you want to remove unwanted drivers on Windows 11? Then please see instructions on how to remove drivers in Windows

How to fix No Internet Secured error on Windows 10

How to fix No Internet Secured error on Windows 10

How to fix No Internet Secured error on Windows 10, No Internet Secured is a common error on Windows 10. Below are simple ways to fix No Internet Secured error

How to fix the error of not being able to save Excel files on Windows

How to fix the error of not being able to save Excel files on Windows

How to fix the error of not being able to save an Excel file on Windows. If you can't save the Excel file, don't worry too much. Below are ways to fix the error of not being able to save the above Excel file

How to open DMG files on Windows

How to open DMG files on Windows

How to open DMG files on Windows, DMG is a file format specific to the macOS operating system. However, you still have a way to open DMG files on Windows.