"Read from location ffffffff" That number happens to be equal to -1 (in 32-bit signed). A common flaw in several games.
If it helps, I'm using SH2 1.1 on XP with a GF 5700, Forceware 84.21. Some old Nvidia drivers can be found here:
http://www.nvidia.com/object/winxp-2k_archive.html