OS: Windows 7 Home Premium 64-bit
CPU: AMD Athlon II X4 640 processor 2.80 GHz
GPU: Nvidia GeForce 9500 GT
RAM: 6 GB
Graphic driver: 306.02 Certified
Was running at anywhere between 15-30 fps depending on what I was doing, now I’ve dropped down to 1-3 fps. All settings are on the lowest and performance remains the same.