Help please

I recently got a new motherboard and now my game no longer works.
Debug Message: Version v1.31 last updated on: Wed Sep 13 18:41:18 2006
Debug Message: GalCiv2 is activated.
Debug Message: Checking DX Version.
Debug Message: *********DXDiag info follows.*********
System Info
Time: 10/12/2006, 02:15:08
DirectX Version: DirectX 9.0c (4.09.0000.0904)
Machine Name: WINDOWS-4339090
Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.050301-1519)
Languages: English (Regional Setting: English)
System Manufacturer: MICRO-STAR INTERNATIONAL CO., LTD
System Model: MS-7142
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: AMD Sempron(tm) Processor 3000+, MMX, 3DNow, ~1.8GHz
Physical Memory: 480MB RAM
Page File: 260MB used, 1142MB available
Windows Dir: C:\WINDOWS


Display Info
Display device 1:
Device Name: \\.\DISPLAY1
Card Name: VIA/S3G UniChrome Pro IGP
Manufacturer: VIA/S3G
Chip Type: VIA/S3G UniChrome Pro IGP
DAC Type: Internal
Key Device: Enum\PCI\VEN_1106&DEV_3108&SUBSYS_71421462&REV_01
Display Memory: 32.0 MB
Current Display Mode: 1280 x 1024 (32 bit) (60Hz)
Monitor Name: COMPAQ 7550 Color Monitor
Monitor Max Resolution: 1600,1200
Driver Name: vtdisp.dll
Driver Version: 6.14.0010.0297
Driver Date: 4/13/2006 13:04:30
DirectX Acceleration Enabled: Yes



Sound info
Sound device 1:
Description: Vinyl AC'97 Audio (WAVE)
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: PCI\VEN_1106&DEV_3059&SUBSYS_04301462&REV_60
Manufacturer ID: 1
Product ID: 100
Driver Name: vinyl97.sys
Provider: VIA Technologies, Inc.
Driver Version: 6.14.0001.4160
Driver Date: 4/13/2006 14:09:56
Type: WDM
Other Drivers:
Acceleration Level: 3
Cap Flags: 0
Min/Max Sample Rate: 0, 0



Debug Message: *********END dxdiag info.*********
Debug Message: Entering WinMain
Debug Message: ******* Starting Game Shell *******
Debug Message: Going Fullscreen
Debug Message: Preparing to change display settings.
Debug Message: Using multilsample setting: D3DMULTISAMPLE_NONE
Debug Message: Could not create the render device using default format. Switching to 16bit
Debug Message: Using multilsample setting: D3DMULTISAMPLE_NONE
Debug Message: Could not create the render device.
Debug Message: InitializeDirect3D Failed.
Debug Message: Now Fullscreen
Debug Message: Shell initialization complete
Debug Message: WM_CLOSE message received.
Debug Message: GameUninitialize start

Any suggestions?

Thank you in advance.