Did you get it working with that 1.17E ? I too have that "Windows protection error" problem in Win98SE , but with SIS 745 on Socket A motherboard (ECS K7S6A rev1.0). I deleted that 1.21 in safe mode and now should I try install that 1.17E or other versions that I have found: 1.19A , 1.17 , 1.16A (I …