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How to Fix Windows Media Creation Tool Error 0x80042405 - 0xa001a?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The Windows Media Creation Tool is a utility that allows users to create a bootable USB drive or DVD from a Windows 10 ISO file. The tool can be used to create a installation media for a fresh install of Windows 10, or to upgrade an existing installation of Windows 10.

While the Windows Media Creation Tool is a useful utility, it is not without its errors. One of the most common errors is 0x80042405 - 0xa001a. This error typically occurs when the user attempts to create a bootable USB drive or DVD from a Windows 10 ISO file that is corrupt or damaged.

There are a few ways to fix this error. One is to download a new and valid Windows 10 ISO file. Another is to use a different utility to create the bootable USB drive or DVD.

If you are still having trouble, it is recommended that you seek out help from Microsoft or a professional technician.

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1. Restart your computer and try running the Windows Media Creation Tool again

  1. Close all open programs.
  2. Click on the Start button and type "cmd".
  3. When Command Prompt appears, type the following: "powercfg -restart"
  4. When the computer restarts, it will restart into the Windows Recovery Environment.
  5. To exit the Windows Recovery Environment, type "powercfg -exit" and press Enter.
  6. Once you have exited the Windows Recovery Environment, restart your computer.
  7. When you restart your computer, you will be prompted to choose an operating system to boot from.
  8. Choose the Windows Media Creation Tool and try running it again.

2. Run the Windows Media Creation Tool as an administrator

  1. Open the Start Menu and type "cmd" in the search box.
  2. Right-click on the "cmd" application and select "Run as Administrator".
  3. In the "cmd" window, type "media creation tool" and press Enter.
  4. On the "Media Creation Tool" window, click on the "File" tab.
  5. On the "File" tab, click on the "Create" button.
  6. On the "Create" window, enter the following information:
  • Name: "Windows 10 Media Creation Tool"
  • Location: C:\
  • File type: Application
  • Product key:
  1. Click on the "Next" button.
  2. On the "Select Devices" window, select the devices that you want to create media files for.
  3. Click on the "Next" button.
  4. On the "Select Media" window, select the type of media that you want to create.
  5. Click on the "Next" button.
  6. On the "Select Files" window, select the files that you want to create media files for.
  7. Click on the "Next" button.
  8. On the "Select burn options" window, select the burn options that you want to use.
  9. Click on the "Next" button.
  10. On the "Select destination" window, select the destination that you want to use.
  11. Click on the "Next" button.
  12. On the "Select user account" window, select the user account that you want to use.
  13. Click on the "Next" button.
  14. On the "Review Options" window, review the options and click on the "Create" button.
  15. On the "Media Creation Tool" window, click on the "Finish" button.
  16. On the "Windows 10 Media Creation Tool" window, click on the "Close" button.

3. Temporarily disable your antivirus software and try running the Windows Media Creation Tool again

  1. Open the Start menu and click on "Control Panel"
  2. Under "Programs and Features" in the Control Panel, click on "Windows Media Creation Tool"
  3. Click on the "Disable" button next to the "Windows Media Creation Tool"
  4. Click on the "OK" button to close the "Windows Media Creation Tool"
  5. Restart your computer

Still not working? maybe try:

  1. Check to see if your computer meets the system requirements to run the Windows Media Creation Tool.
  2. Make sure you have enough free space on your hard drive to create the Windows installation media.
  3. Try using a different USB flash drive or external hard drive.
  4. Format the USB flash drive or external hard drive using the FAT32 file system.