What to do if error 0x8007007f occurs while installing Windows 11?

After Microsoft published the Windows 11 ISO file, many users who hadn’t risked using the beta versions finally decided to install the final one. This can be done in different ways, but one of the most convenient is using a proprietary assistant utility (the one that avoids checking for hardware compatibility and installs Windows 11 on any computer). However, as it turned out, this method of installation is often fraught with errors.

What to do if error 0x8007007f occurs while installing Windows 11?

One of them occurs especially often, as evidenced by posts on the largest American forum, Reddit. The error has the designation 0x8007007f. What can it be connected with?

The main reasons for its occurrence, according to the source, are three: permission from the User Account Control (UAC) system, lack of free space on the drive and drivers. Running Windows 11 Setup Assistant as Administrator solves the problem in most cases. If the error occurs due to incompatibility with the drivers, then you can try to update them. If the error continues to occur, then you can try installing Windows 11 without an assistant – mount the ISO image on the system and run setup.exe directly.

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