...and I'll add for Vista users, you must click on 'Show Processes For All Users' first, then right click on CMSF, other wise you won't be permitted to change anything.
Good stuff Billy. This fix absolutely made CMSF much better for me. I went from the "ambush tutorial" being so slow and crappy it was unplayable. Even with the lowest settings. It now runs smooth as silk with with 1 CPU. Duel Core is the culprit.
Windows Vista Home Premium
Intel Core 2CPU 6400 @ 2.13 GHz
2.00 GB RAM
NVIDIA GeForce 7600 GS