windows could not update the computer's boot configuration install...

My Pc is a HP Elite 8200, It’s not specified on the website

I tried updating to windows 10 Via a USB Stick.

Everytime I do I get the error message “windows could not update the computer's boot configuration installation cannot proceed”

I have gone into CMD, cleaned, formated, coverted to GPT. and still nothing. I took out the other HDD, Nope.

I tried disabling Secure Boot… or launching EUFI via BIOS Launch etc, I have some EUFI Utillity Launcher to my Boot USB, They just access the files or somthing.

I’ve tried everything and it just won’t work :/

At the Moment I’m stuck in a Update Windows Limbo, I’ve formated the Drives many times.. so Windows 7 is gone. -_- I’m thinking my PC is only Legacy… I might have to go back to Windows 7, somehow install this EUFI thing… Any help would be much appreciated, I’m usually handy with this stuff.

Cheers in advance :)

I Installed Windows 10 On an SSD and put that into Sata, Boots off that and it Worked, Cheers for the help guys :)