As we all know Windows 11 was launched on 5th, October. One of the ways of upgrading to Windows 11 from Windows 10 is to use the Windows 11 installation assistant. But sometimes, Windows 11 installation assistant has error 0x8007007f that will occur while trying to update to. windows 11 users reported that sometimes, near the finishing process of installing or downloading Windows 11 the error 0x8007007f appeared and others reported that the error code 0x8007007f at the beginning of the process. This article will show you how to fix error code 0x8007007f when using windows 11 installation assistant.
Run system file checker to fix error code 0x8007007f
First of all, let’s run the system file check in windows 10. It’s very important that when we are doing the upgrade Windows 11 doesn’t have any corrupted through important windows files or any other missing important system files. So we need to run the system file checker.
Press windows key and type cmd. Right click on command prompt and then click on run as administrator on user account control click on yes and then type and execute the following commands
DISM.exe /Online /Cleanup-image /Restorehealth
After that, type and execute the second command:
In this way, we can check all the important system files and will try to replace them or fix the issues if it finds any.
Next, you need to restart your computer and then run the windows 11 installation again as administrator without receiving error code 0x8007007f.