I did have, and for anyone else reading this you are only meant to have one or the other, as they both do the same job and will conflict if both installed.modo77 said:Strange it was fine for me. Have you got the dual core patchs from ms and amd?

It was flawless once I stuck it on one core.
Havnt tried it on my new Conroe rig yet, I deleted it. Will wait for the full game until I try it.