Back to trying again today but no luck.

I've tried it disabling UAC, Unchecking read only mode for the whole folder, subfolder & files, runnining both steam and the game with and then without admin.

It just launches the boot,exe as straight after the patch checker when the launcher appears it stops showing me as in-game and I can't use the overlay either

I've googled and tried everything I've stumbled across, I'm getting desperate