Update: Latest win7 beta mobility driver also produces same error messages 
Uhmm, I killed vista yesterday....
 
dxdiag from debug.err:
Debug Message:  *********DXDiag info follows.*********
DirectX Version: DirectX 11
Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7100)
Languages: German (Regional Setting: German)                   
BIOS: Phoenix SecureCore(tm) NB Version 09LA.7027.20081209.JJC
Processor: Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz (2 CPUs), ~2.4GHz
Physical Memory: 4096MB RAM
Page File: 1567MB used, 6611MB available
Windows Dir: C:\Windows
Display Info
Display device 1:
Device Name: \\.\DISPLAY1
Card Name: NVIDIA GeForce 9600M GT
Manufacturer: NVIDIA
Chip Type: GeForce 9600M GT
DAC Type: Integrated RAMDAC
Key Device: Enum\PCI\VEN_10DE&DEV_0649&SUBSYS_C03F144D&REV_A1
Display Memory: 2287 MB
Current Display Mode: 1680 x 1050 (32 bit) (60Hz)
Monitor Name: 
Monitor Max Resolution: 
Driver Name: 
Driver Version: 
Driver Date: 
DirectX Acceleration Enabled: No
Sound info
Sound device 1:
Description: Lautsprecher (High Definition Audio-Gerät)
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0262&SUBSYS_144DC03F&REV_1002
Manufacturer ID: 1
Product ID: 65535
Driver Name: HdAudio.sys
Provider: Microsoft
Driver Version: 6.01.7100.0000
Driver Date: 4/22/2009 06:15:37
Type: WDM
Other Drivers: 
Acceleration Level: 1
Cap Flags: 0
Min/Max Sample Rate: 0, 0
Debug Message:  *********END dxdiag info.*********
Debug Message:  WARNING: DirectX Acceleration is not enabled.
Debug Message:  Entering WinMain
 
 
And now 32 bit dxdiag from system:
------------
DxDiag Notes
------------
      Display Tab 1: No problems found.
        Sound Tab 1: No problems found.
          Input Tab: No problems found.
---------------
Display Devices
---------------
          Card name: NVIDIA GeForce 9600M GT
       Manufacturer: NVIDIA
          Chip type: GeForce 9600M GT
           DAC type: Integrated RAMDAC
         Device Key: Enum\PCI\VEN_10DE&DEV_0649&SUBSYS_C03F144D&REV_A1
     Display Memory: 2287 MB
   Dedicated Memory: 497 MB
      Shared Memory: 1789 MB
       Current Mode: 1680 x 1050 (32 bit) (60Hz)
       Monitor Name: PnP-Monitor (Standard)
      Monitor Model: unknown
         Monitor Id: SEC3646
        Native Mode: 1680 x 1050(p) (60.062Hz)
        Output Type: Internal
        Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 8.15.0011.8585 (English)
     Driver Version: 8.15.11.8585
        DDI Version: 10
       Driver Model: WDDM 1.1
  Driver Attributes: Final Retail
   Driver Date/Size: 4/30/2009 22:02:00, 9443840 bytes
        WHQL Logo'd: n/a
    WHQL Date Stamp: n/a
  Device Identifier: {D7B71E3E-4509-11CF-7456-34E001C2C535}
          Vendor ID: 0x10DE
          Device ID: 0x0649
          SubSys ID: 0xC03F144D
        Revision ID: 0x00A1
 Driver Strong Name: oem8.inf:NVIDIA.Mfg.NTamd64.6.0:Section001:8.15.11.8585:pci\ven_10de&dev_0649&subsys_c03f144d
     Rank Of Driver: 00E60001
        Video Accel: ModeMPEG2_A ModeMPEG2_C ModeVC1_C ModeWMV9_C 
   Deinterlace Caps: {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
YUY2,YUY2) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
YUY2,YUY2) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
YUY2,YUY2) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
YUY2,YUY2) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch 
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
UYVY,UYVY) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
UYVY,UYVY) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
UYVY,UYVY) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
UYVY,UYVY) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch 
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
YV12,0x32315659) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
YV12,0x32315659) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
YV12,0x32315659) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
YV12,0x32315659) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch 
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
NV12,0x3231564e) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
NV12,0x3231564e) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
NV12,0x3231564e) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
NV12,0x3231564e) Frames(Prev/Fwd/Back)
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch 
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
IMC1,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
IMC1,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
IMC1,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
IMC1,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
IMC2,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
IMC2,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
IMC2,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
IMC2,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
IMC3,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
IMC3,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
IMC3,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
IMC3,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
IMC4,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
IMC4,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
IMC4,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
IMC4,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
S340,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
S340,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
S340,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
S340,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)
S342,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {F9F19DA5-3B09-4B2F-9D89-C64753E3EAAB}: Format(In/Out)
S342,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)
S342,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)
S342,UNKNOWN) Frames(Prev/Fwd/Back)
0,0,0) Caps=
       D3D9 Overlay: Supported
            DXVA-HD: Supported
       DDraw Status: Enabled
         D3D Status: Enabled
         AGP Status: Enabled
 
I also gave admin permission to ...\Programs(x86)\GalCiv2 directory.
Seems, that galciv2 does not handle and detect video driver properly in Win7.
Maybe MS changed their driver Model and signature?
I don't think, it is a DX11 issue.
Anyone any clue?