Users have reported that, while using the Installation Assistant tool, the upgrade process will just halt around the 70% mark. The error code will prevent the user to successfully upgrade to Windows 11. The error code started appearing exclusively among the users who tried to use the Windows 11 Installation Assistant.

To make the journey easy for you, this guide will discuss what does the error code 0x8007007f refers to, what causes it and some ways you can fix this error code and upgrade your computer to Windows 11. This error code will not let you upgrade your computer to Windows 11. If you are one of those who are trying to upgrade to Windows 11, it is highly likely that you’ve already encountered an error message that reads ‘Something went wrong’ followed by the error code ‘0x8007007f’. For those who couldn’t receive the update on day 1, Microsoft has provided the ‘Windows 11 Installation Assistant’ which will force install Windows 11 on any Windows 10 device that meets the installation requirements.

Windows 11 started officially rolling out to the public on October 5, 2021.

Windows update 0x8007007f