system requirements

hi. i have sid meiers civ IV complete version whis constantly freezes during all aspects of game play and was wondering if it was my computer

my system diagnostics are:

Operating System: Windows Vista™ Home Premium (6.0, Build 6002) Service Pack 2 (6002.lh_sp2rtm.090410-1830)
Language: English (Regional Setting: English)
System Manufacturer: Packard Bell BV
System Model: IMEDIA 2326 AIO
BIOS: Default System BIOS
Processor: AMD Phenom(tm) 8450 Triple-Core Processor (3 CPUs), ~2.1GHz
Memory: 2814MB RAM
Page File: 1336MB used, 4519MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 10
DX Setup Parameters: Not found
DxDiag Version: 6.00.6001.18000 32bit Unicode


---------------
Display Devices
---------------
Card name: NVIDIA GeForce 8200
Manufacturer: NVIDIA
Chip type: GeForce 9200
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_084B&SUBSYS_E03B1631&REV_A2
Display Memory: 1395 MB
Dedicated Memory: 243 MB
Shared Memory: 1151 MB
Current Mode: 1440 x 900 (32 bit) (60Hz)
Monitor: Generic PnP Monitor
Driver Name: nvd3dum.dll,nvwgf2um.dll
Driver Version: 7.15.0011.8250 (English)
DDI Version: 10
Driver Attributes: Final Retail
Driver Date/Size: 3/28/2009 00:03:00, 6082560 bytes
WHQL Logo'd: Yes
WHQL Date Stamp:
Device Identifier: {D7B71E3E-4B0B-11CF-BB55-30C002C2CA35}
Vendor ID: 0x10DE
Device ID: 0x084B
SubSys ID: 0xE03B1631
Revision ID: 0x00A2
Revision ID: 0x00A2
Video Accel: ModeMPEG2_A ModeMPEG2_C ModeVC1_C ModeWMV9_C

welcome to cfc

your graphics driver could likely be updated - check the nvidia site.
Also is the game patched to 3.19?