Yes, I was but I have now figured out the issue. Typical of me to spend 5-6 hours on an old Xbox that isn't worth more than £30.
It was right there is the error message as you'd expect:
+ CategoryInfo : InvalidOperation: (c:\devkitPro\msys2\usr\bin\cmd:String) [], RuntimeException)...
Well. I want to cry. Just spent 15-20 mins replying to this explaining each step of what I have tried and I was prompted to sign in again and obviously my entire response had disappeared. The long and short of it as I have now been at it a good 4-5 hours and I have tried everything I can think...