I sure can help. Keyboards are so 20th century, what you need is control via neural implants. Operation + software&accessories for $399.99! PM me for details.
In the meantime... your problem is not typical, at least not to my knowledge, and I doubt you'll find some specific solution. Now, I made this alternative installer (you don't have to look far to find it) that's been known to solve some common issues - will it solve yours is hard to tell, I wouldn't bet on it but it's worth a try. In case your problem is just some atypical symptom of a known issue, it will help. If not, you may have to play GF on another machine. Or get those implants. Or a joystick.