Technical problems

[[Heerbann]_Luculus]

After the intro I always get an "access violation at address 000000000. Read of address 00000000". I have no idea how to solve the problem, I hope someone has an idea.

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System Information
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Time of this report: 3/7/2008, 20:18:05
Machine name: XXXXXX
Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_qfe.070227-2300)
Language: German (Regional Setting: German)
System Manufacturer: Acer
System Model: AST160/ASE360/APM6
BIOS: )Phoenix - Award WorkstationBIOS v6.00PG
Processor: AMD Athlon(tm) 64 Processor 3700+, MMX, 3DNow, ~2.2GHz
Memory: 2046MB RAM
Page File: 397MB used, 3032MB 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

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Display Devices
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Card name: NVIDIA GeForce 7900 GT/GTO Manufacturer: NVIDIA
Chip type: GeForce 7900 GTO
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_0291&SUBSYS_042B10DE&REV_A1
Display Memory: 512.0 MB
Current Mode: 1280 x 1024 (32 bit) (75Hz)
Monitor: Plug und Play-Monitor
Monitor Max Res: 1600,1200
Driver Name: nv4_disp.dll
Driver Version: 6.14.0011.6921 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 12/5/2007 01:41:00, 5773568 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: n/a
VDD: Nicht zutreffend
Mini VDD: nv4_mini.sys
Mini VDD Date: 12/5/2007 01:41:00, 7435392 bytes
Device Identifier: {D7B71E3E-41D1-11CF-6768-202400C2CB35}