How to Fix Bootrec /Fixboot Access is Denied Windows 10

How to Fix Bootrec /Fixboot Access is Denied Windows 10

Step 1. Boot to your Windows 10 CD or USB. when you get to the install windows screen, click the Repair your computer instead of Install now.

Step 2. Select Troubleshoot and then Advanced Options.

Step 3. Select Command Prompt.

Step 4. Type diskpart and press Enter key.

Step 5. Type list disk and press Enter. Now check disk number to identify boot disk, this is usually Disk 0. if not, use the correct boot disk number.

Step 6. Type select disk 0 (or your boot disk number) and press Enter.

Step 7. Type list volume and press Enter. Now look for the volume number of EFI partition.

Step 8. Type select volume 1 and press Enter. (Change volume to your number)

Step 9. Type assign letter=V: and press Enter. V: can be replaced by any drive letter that is not in use by any partition.

Step 10. Type exit and press Enter.

Step 11. Now type V: (or the drive letter you just assigned) and hit Enter.

Step 12. Type md \efi\microsoft\boot\ and hit Enter.

Step 13. Type cd /d V:\efi\microsoft\boot\ and hit Enter.

Step 14. Now type bootrec /fixboot command, the problem should be solved now.

Step 15. bcdboot c:\windows /l en-us /s V: /f all

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[anubhavkumar]

It still shows access denied, even when I am in the efi\microsoft\boot directory

[VideoLeakPolice]

You have to do this exact command:
bootsect /nt60 all
(note the space between bootsect and the forward slash). Also, I did not have to retry the: bootrec /fixboot.
I simply shut down the PC and rebooted.

I have learned it in a tread in this comment section. The first to shared this made a mistake and forgot to put a space. It worked for me.

[Robin-hppu]

this video has literally one purpose and fails in it. well done man

[ericlewis]

Thanks for pointing me in the right direction. Here's what worked for me. Note that it may depend on version of Windows (10 in my case), on build within that (probably 18362), and on other factors I'm not aware of. This is in a UEFI context
 
Initially I used bootsect, limited to the drive letter I'd assigned to the boot partition, that is, where "cd /d V:\EFI\Microsoft\Boot\" is valid. That may be safer than using "All". Change "V:" to what is valid on your machine.

bootsect /nt60 V:

This responded:
"Updated FAT32 filesystem bootcode. The update may be unreliable since the volume could not be locked during the update: Access is denied.
Bootcode was successfully updated on all targeted volumes."

I added /force (it dismounts the drive and so warns about files that may be open but the risk seemed small in my case):

bootsect /nt60 V: /force

This responded:
"Forced dismount complete, open handles to this volume are now invalid.
Successfully updated FAT32 filesystem bootcode"

After that "bootrec /FixBoot" still responded "Access is denied.", so I just continued to bcdboot, although some sources say it is not necessary:

ren BCD BCD.old
bcdboot c:\Windows /l en-us /s V: /f All

After that, and rebooting, I eventually got the "Repair: Your PC/Device needs to be repaired:", message again, but the option to fix C: was successful and after that Windows booted.

Good luck to you in your journey through this distressing situation!

[MorDreadful]

I came across this just a few minutes ago so although it's old just do the following to fix: BOOTREC /FIXBOOT ACCESS DENIED message. Basically the reason why this one didn't work from what I can work ouot is that you get ACCESS DENIED depending on the format maybe like NTFS? as it does point this out as NTFS file system bootcode though I am not too sure myself, just seems that way from what I have experienced.

1: type at x:sources>bootsect/nt60 sys */just as that and do not worry about no space between /nt60 as it will work. you should get: Target volumes will be updated with BOOTMGR compatible bootcode. V: Successfully updated NTFS filesystem bootcode. Bootcode was successfully updated on all targeted volumes.

2: type at x:sources\>bootrec/fixboot (again do not worry about having a space before /fixboot)
now you should see: The operation completed successfully.

For those who come across this and experience difficulty with keep getting access denied, you also do not need to assign a new letter, just skip all that and just do this.

For the creator Britec09. Please, if you haven't update this as this may work for ALL. skip the diskpart biut and just go straight to this. I was actually doing this on Server 2019 essentials.

[Astalariel]

Doesn't work. Still getting "Access is denied" after step 14. Followed everything by letter. Including spaces.

[beneelchicanoce]

Right at 2:27, you should include what to do when "Access is denied" still shows up instead of "...completed successfully." Await your reply. Thank you!

[rahaparniyan]

I did exactly as you said. However, after typing fixboot, the answer from command prompt was still "Access is denied."
What should I do?
Btw, on the step list disk, I only have one disk: Disk 0. I don't know if it matters

[rejwanhussain]

I got to the 2:16 mark then I got access denied.

[hectorzarzuela]

at 2:22 I still got Access denied. (what should I do from there)? Thanks in advance.

[daviarrue]

Tanks soooo much for this. I pass last 5 hours trying fix a Ssd error and only that's works. Congratulations and thank you. I'm from Brazil.

[xxhomie]

I have only a few options in WinRE not like yours in the video. Fixed with Aomei at last.

[Vicky-zduv]

Still cannot boot the problem still exists. And I turned to third party tool it works well. Ao mei's tool.

[solidice]

For those still getting Access denied try running "bootsect/nt60 all" then try "bootrec /fixboot" again. However that's as far as I have got, I now get "Failure when attempting to copy boot files" on the final step. Any Ideas?

[mickeytee]

"The request could not be performed because of an I/O device error." Nice!!! Now I'm up sh!t creek....

[buddhichampika]

systemadvanced options as admin console
>cmd prompt then,

>type bootsect/nt60 sys

this will actually update your target volumes with BOOTMGR Compatible boot code) then try

>bootrec/fixboot
>bootrec/fixmbr

[socialmediawizards]

After typing command with cd
1:53
It says the system cannot find the path specified

[sheinequirin]

When i type "bcdboot C:\windows /l en-us /s V: /f all" it says "failure when attempting to copy boot files"
Help someone??🙏🏾

[quichris]

It won't work if I run CHKDSK, and I tried to fix MBR it worked well with partition assistant from Ao mei.

[tomedwards]

Hi.
When I exit diskpart, I'm getting
X:\windows\system32>
This is same program at start which is different to your initial start letters??
Where am I going wrong??