FIX bootrec /FixBoot Access is denied error on Windows 10


the access to bootrec / fixboot is denied This error usually occurs when troubleshooting startup issues at the command prompt. It is linked to the boot manager. This problem also has other causes, but it usually revolves around the notion of disk partitioning. In this guide, we will see how to fix this error under Windows 10.

How to fix the error bootrec / FixBoot Access is denied

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

  1. Get a new ISO.
  2. Corrects the start of the UEFI.

1] Get a new ISO

There is a possibility of problems with your installation support. Create a new bootable USB device after obtaining a new ISO image file for Windows 10.

Then continue the boot repair process with this new image.

2] Corrects the start of the UEFI

Create a bootable Windows 10 USB drive, and then start your computer with the help of it. Then when you get the welcome screen to click on following, then click Repair your computer on the lower left of the window.

Then click on Troubleshoot. After that, select Advanced options. So what, Command prompt.

Once open, enter the following command to start DISKPART:


After that, run this command:


Now you have to select the boot drive. To do this, type:


You will now have to list all the volumes and partitions. Run this command:


Select the EFI partition now:


Assign him a personalized letter now by entering this:


Quit the DISKPART utility by running this command:


Now type:


Format the EFI partition by entering this command:

format V: /FS:FAT32

Finally, run this command to correct startup parameters:

bcdboot C:Windows /s V: /f UEFI

Restart your computer and your error should have been corrected now.

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