How to fix bootrec.exe /fixboot access denied error Windows 11

How to fix bootrec.exe /fixboot access denied error Windows 11

When restoring the system boot using bootrec /fixboot commands, users receive a “Access Denied” message instead of the expected boot fix.

 

Fix bootrec.exe /fixboot access denied :

  • Enter the commands
    diskpart
    list volume
  • Check the number of FAT32 partition with loader and current Windows partition letter.
  • Select the partition with the bootloader and assign to it a letter using
    select volume N
    assign letter=BOOKBA
  • Specify the partition number instead of N and any unused drive letter as a letter.
  • Enter exit command to quit DISKPART.
  • Use command (if needed, change C and Z to the letters of system and loader partition in your case):
    bcdboot C:\windows /s Z: /f UEFI
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