Well, you stopped me walking away from the game and made me think and try a little harder. Thanks!

So, I ran a DXDiag and went through it myself and realised (while nothing was a problem) that the mouse and keyboard drivers were worth reconsidering.

1. Mouse had TWO entries for mouse drivers (both ...

No external usb devices.

All drivers are up to date so that is not a problem.

The thing is that the game has now been refunded so I would have to buy it again (even if somebody came up with a sure fire solution) in order to test further.

Frustrating, as but for this one issue, I would have been ...

Just wanted to report,

I bought on steam and when playing any edge scrolling with the mouse would make it flick to the screen edge. Was uncontrollable.

I tried:

1. VSync off - no joy
2. Mouse settings lowered sensitivity - No joy
3. Full screen - no joy.
4. Use keys, too slow.
5. Change scroll ...