Windows 7 SOF2 Problem

Installed Windows 7 today from Vista and now I'm having problems with my SOF2 game as follows:

---------- Input Initialization ----------
Skipping check for DirectInput
Joystick is not active.
------------------------------------------
----- Client Initialization -----
----- Initializing Renderer ----
-------------------------------
----- Client Initialization Complete -----
----- R_Init -----
WARNING: tess.xyz not 16 byte aligned
Initializing OpenGL subsystem
...initializing QGL
...calling LoadLibrary( 'C:\Windows\system32\opengl32.dll' ): succeeded
...setting mode 3: 640 480 FS
...using desktop display depth of 32
...calling CDS: ok
...registered window class
...created window@0,0 (640x480)
Initializing OpenGL driver
...getting DC: succeeded
...GLW_ChoosePFD( 32, 24, 8 )
...35 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 32, 24, 0 )
...35 PFDs found
...GLW_ChoosePFD failed
...failed to find an appropriate PIXELFORMAT
...restoring display settings
...WARNING: could not set the given mode (3)
...setting mode 3: 640 480 FS
...using colorsbits of 16
...calling CDS: ok
...created window@0,0 (640x480)
Initializing OpenGL driver
...getting DC: succeeded
...GLW_ChoosePFD( 16, 16, 0 )
...35 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 16, 16, 0 )
...35 PFDs found
...GLW_ChoosePFD failed
...failed to find an appropriate PIXELFORMAT
...restoring display settings
...WARNING: could not set the given mode (3)
...shutting down QGL
...unloading OpenGL DLL
...assuming '3dfxvgl' is a standalone driver
...initializing QGL
...WARNING: missing Glide installation, assuming no 3Dfx available
...shutting down QGL
----- CL_Shutdown -----
RE_Shutdown( 1 )
R_Terrain: Shutting down RENDERER terrain.....
-----------------------
GLW_StartOpenGL() - could not load OpenGL subsystem


------------- Input Shutdown -------------
------------------------------------------

Any help out there from anyone would be great - thanks!