That's got it, you absolute diamond. To be fair I'm surprised that it works at all iin 4k. I'm over the moon, reliving some great memories.
Thanks again for the patch, you're an absolute star and a shining example of what makes PC Gaming so great!
Here we go, the recticle is off centre as well when the game begins proper. I think this resolution is 2560x1600 but it seems to happen at all resolutions and other resolutions displace the menu screen or position of the view of the character for some reason.
Here's a link to the image, it won't let me upload it I'm afraid.