Failure when attempting to copy boot files on Windows

If you receive an error message – Failure when attempting to copy boot files, then this post may be able to help you fix the problem. There are known multiple ways to fix the problem, and sometimes the problem could be because of UEFI or BIOS difference. Make sure this is followed by someone who knows how to manage things technically on the computer-

1] Set Partition as Active

2] Check if you have BIOS or UEFI

3] Fix MBR or Rebuild it

Timecodes:
0:00 Intro
0:36 Set partition as active
1:00 Check state of system
1:30 Fix MBR and rebuild BCD

[jeiranjeniv]

when i type bootrec /fixboot it shows access is denied .is it ok?

[freedomisdead]

Useless vid,
bcdboot c:\windows /s Z: /f ALL command result is "failure when attempting to copy boot file" back to square one, Genius!