FIX bootrec /FixBoot Access is denied error on Windows 10

The bootrec /FixBoot Access is denied error mostly occurs while fixing boot related issues inside Command Prompt. It is related to the Boot Manager. There are some other causes for this issue too, but it usually revolves around the notion of Disk Partitioning. In this guide, we will be taking a look at troubleshooting this error on Windows 10.


How to fix bootrec /FixBoot Access is denied error

The bootrec /FixBoot Access is denied error on Windows 10 is caused when executing bootrec /fixboot. You have two options to proceed:

  1. Get a new ISO.
  2. Fix the UEFI boot.

1] Get a new ISO

There is a possibility of issues with your installation media. Create a new USB Bootable device after getting a new ISO image file for Windows 10.

Then continue the boot fixing process with this new image.

2] Fix the UEFI boot

Make a bootable Windows 10 USB drive and then boot your computer using it. Then when you get the Welcome Screen to click on Next, and then click on Repair your computer on the bottom left portion of the window.

Next click on Troubleshoot. After that, select Advanced Options. And then, Command Prompt.

Once it opens, enter the following command it initiates DISKPART:


After that, execute this command:


Now you need to select the boot drive. For that, type in:


You will have to now list all the volume and partitions. Execute this command:


Select the EFI partition now:


Assign it a custom letter now by entering this:


Exit the DISKPART Utility by executing this command:


Now, type in:


Format the EFI Partition by entering this command:

format V: /FS:FAT32

Finally, execute this command to fix the boot settings:

bcdboot C:\Windows /s V: /f UEFI

Reboot your computer, and your error should have been fixed now.

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Ayush has been a Windows enthusiast since the day he got his first PC with Windows 98SE. He is an active Windows Insider since Day 1 and is now a Windows Insider MVP. He has been testing pre-release services on his Windows 10 PC, Lumia, and Android devices.