i've got the same problem. I've installed patch 1.45 and played with the lowest configuration possible but it doesn't work...
config:
AMD Athlon 1,4Ghz+
Graphic card S3Savage4 with 64Mo Shared Memory (N/C it is a labtop ^^)
256 SDRam (64 shared with graphics)
help plz OO;
oh another bug, i see all players and NPC in white without any texture...
