I have the same problem, but is the first time I play the game and I have already updated my video drivers.
Here is the contents of my debug.err file :
Debug Message: Version v1.0X.2 last updated on: Tue Mar 7 15:02:59 2006
Debug Message: Could not find a TGN Serial No.
Debug Message: *********DXDiag info follows.*********
System Info
Time: 3/18/2006, 13:20:41
DirectX Version: DirectX 9.0c (4.09.0000.0904)
Machine Name: MSG
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.050301-1519)
Languages: English (Regional Setting: Spanish)
System Manufacturer: Dell Computer Corporation
System Model: DIM4500
BIOS: BIOS Date: 07/18/02 13:31:28 Ver: 08.00.00
Processor: Intel(R) Pentium(R) 4 CPU 2.00GHz
Physical Memory: 1022MB RAM
Page File: 205MB used, 1121MB available
Windows Dir: C:\WINDOWS
Display Info
Display device 1:
Device Name: \\.\DISPLAY1
Card Name: 32MB ATI Rage 128 Ultra
Manufacturer: ATI Technologies Inc.
Chip Type: RAGE128 PRO II, (AGP 4X/PCI)
DAC Type: Internal DAC (350Mhz)
Key Device: Enum\PCI\VEN_1002&DEV_5446&SUBSYS_04091002&REV_00
Display Memory: 32.0 MB
Current Display Mode: 1024 x 768 (32 bit) (75Hz)
Monitor Name: Dell M782p
Monitor Max Resolution: 1280,1024
Driver Name: ati2dvaa.dll
Driver Version: 6.13.0010.5004
Driver Date: 4/8/2002 08:05:52
DirectX Acceleration Enabled: Yes
Sound info
Sound device 1:
Description: SB Live! Wave Device
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: PCI\VEN_1102&DEV_0002&SUBSYS_80221102&REV_0A
Manufacturer ID: 1
Product ID: 100
Driver Name: emu10k1f.sys
Provider: Creative
Driver Version: 5.12.0001.3511
Driver Date: 9/13/2001 17:09:48
Type: WDM
Other Drivers:
Acceleration Level: 3
Cap Flags: 0
Min/Max Sample Rate: 0, 0
Sound device 1:
Description: Modem #1 Line Playback (emulated)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID:
Manufacturer ID: 1
Product ID: 81
Driver Name:
Provider:
Driver Version:
Driver Date:
Type: Emulated
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: Game Resolution: 1024 x 768
Debug Message: Running fullscreen.
Debug Message: HAL (sw vp): 32MB ATI Rage 128 Ultra
Debug Message: D3DPRESENT_INTERVAL_DEFAULT
Debug Message: Refresh rate: 75
Debug Message: Bit Depth: 32 bit.
Debug Message: *********Checking D3DDevice Caps***********************
Debug Message: Hardware does not support a color cursor.
Debug Message: RGB in format 6:6:6, Masks reported as ff0000:ff00:ff
Debug Message: Now Fullscreen
Debug Message: Shell initialization complete
Debug Message: ***** Initializing Game *****
Debug Message: Timer Frequency is 0 369e99
Debug Message: Initializing sound card.
Debug Message: initailizing bink
Debug Message: Create setup screens.
Debug Message: Clear galaxy settings.
Debug Message: Clear influence.
Debug Message: Clear up laws.
Debug Message: Clear first time events.
Debug Message: Clear wonders and trade goods.
Debug Message: Clear sector mapper.
Debug Message: Set mouse.
Debug Message: Set update timer.
Debug Message: Clear data definitions.
Debug Message: No files found matching mask C:\Documents and Settings\Miguel Sotomayor\My Documents\My Games\GalCiv2\*.StarSystems
*DEBUG ERROR: ***Unable to find required tech ImpossibleTech for PirateShip. ***
*DEBUG ERROR: ***Unable to find required tech ImpossibleTech for Starbase. ***
Debug Message: No files found matching mask C:\Documents and Settings\Miguel Sotomayor\My Documents\My Games\GalCiv2\ships\*.shipclass
Debug Message: No files found matching mask C:\Documents and Settings\Miguel Sotomayor\My Documents\My Games\GalCiv2\ships\*.shipcfg
Debug Message: Reading Star Names
Debug Message: Reading Star Names... Done
Debug Message: TitleWnd: Quit Button.
Debug Message: Posting WM_CLOSE message.
Debug Message: WM_CLOSE message received.
Debug Message: GameUninitialize start
Debug Message: Killing Galaxy
Debug Message: Killing threads.
Debug Message: Kiling civs.
Debug Message: Killing ships.
Debug Message: Killing rallypoints.
Debug Message: Killing misc objects.
Debug Message: Killing stars.
Debug Message: Killing anomalies.
Debug Message: Killing space resources.
Debug Message: Killing colonies and planets.
Debug Message: killing scenario.
Debug Message: Clear galaxy settings.
Debug Message: Clear influence.
Debug Message: Clear up laws.
Debug Message: Clear first time events.
Debug Message: Clear wonders and trade goods.
Debug Message: Clear sector mapper.
Debug Message: Clear data definitions.
Debug Message: Killing Galaxy: Completed
Debug Message: GameUninitialize end
Debug Message: Device not cleared. 1 counts left.
Debug Message: D3D not cleared. 1 counts left.
Debug Message: Destroying Window.
Debug Message: Main Shell terminating normally