When I get to the initial loading screen with all of the characters, before the menu, my game crashes. Does anyone know what I can do?

Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.050301-1519)
Language: English (Regional Setting: English)
System Manufacturer: HP Pavilion 061
System Model: DM168A-ABA A320N
BIOS: BIOS Date: 08/31/04 15:08:35 Ver: 08.00.08
Processor: AMD Athlon™ XP 2800+, MMX, 3DNow, ~2.1GHz
Memory: 512MB RAM
Page File: 276MB used, 972MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.2180 32bit Unicode

Card name: NVIDIA GeForce 6600 GT
Manufacturer: NVIDIA
Chip type: GeForce 6600 GT
DAC type: Integrated RAMDAC
Display Memory: 128.0 MB
Current Mode: 1024 x 768 (32 bit) (60Hz)
Monitor: Plug and Play Monitor
Monitor Max Res: 1600,1200
Driver Name: nv4_disp.dll
Driver Version: 6.14.0010.8198 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 12/10/2005 03:06:00, 3955456 bytes