Bootmgr missing error, trying to install windows on a new pc

I recently built a friends son a mid level gaming pc and im having trouble installing windows from a USB flash drive.

 

I'm using an Unlocked version that I've previously used on my own pc with little trouble.

Step by step this is what I'm doing, I'm hoping the file hasn't been corrupted somehow and I'm just missing some step.

using command prompt- (these are the commands not what I literally entered)

clean disk 

create partition primary

select partition 1

activate

format fs-ntsf

assign

After this I've tried two things copying just the files and copying the files in the folders. First one didn't work at all second got me to the bootmgr missing error.

Its on a cheap m5 a97 le r2.0 motherboard though i doubt that makes a difference

I'm wondering if maybe the files have been corrupted in being transferred from one pc through my home network to another and then to another  hard disk on the same computer and finally onto the flash drive. 

I've also tried using the tool from Microsoft store but it isn't happy with my .iso file for whatever reason but the unlocked version I have did work 

Thanks Tek community, 

Enjoy the holiday,

-Steve

 

 

just tried the original file, same problem so it hasn't been corrupted 

Bootmgr missing means that something isn't working properly. Make sure your installation drive isn't dieing out. By unlocked are you implying warez? (That in itself is another can of worms) I'll assume you didn't pirate the software. If you have an installation disk, you can use the recovery tools on it, which solved my problem when I jacked with my partitions one time.

 

Here is a good article explaining the steps to fix it: http://pcsupport.about.com/od/findbyerrormessage/a/bootmgr-is-missing.htm

By unlocked I mean i have the .iso file and no key is needed, I didn't pirate I got it from a friend which I guess might be considered pirating but that's another argument.Like i said it worked perfectly before so I'm a bit confused.  I don't have the disk unfortunately it was given to me on a usb drive, just the .iso file. I'm going to go through the steps in the article you gave, ill post the results. Thanks for the tips,

Steve