I have 2 units :1st :XP 64 bitQUAD 6600 - G0 GIGABYTE GA-X38-DQ6 WD 250GB - X3 ENERMAX CHAKRA - Full Towar Thermaltake Thoughpower 650W Thermaltake V1 OCZ DDR2 2048MB 800MHZ Reaper CL3 - X2 GeCube Radeon X1950XT 512MB DDR3 PCIe ZALMAN VF1000 LG DVD GSA-H44L LG DVD GSA-H62L cant install the EE patch can play the vanila game.after 3-4 HRS the insatll is not fineshed ...2nd :XP propsinalQUAD 6600 - B3 GIGABYTE GA-G31M-S2L G.SKILL 4096MB 2048MB X2 WD 250GB - X4 ENERMAX Liberty 500 GeCube Radeon X1950XT 512MB DDR3 PCIe ZALMAN VF1000 LG DVDRW GH-20NS10 X2 ANTEC THREE HUNDRED using the same file that I tryed in the 1st.rhe EE is instaled.the game CTD to black screen' but I can ear sound need to rebout with power batton.it hapen even in very low grafics.what can I do ?