Wolfenstein virker ikke... ?

Når jeg forsøger at starte Wolfenstein kommer denne fejl:


Wolf 1.0 win-x86 Nov 13 2001
----- FS_Startup -----
Current search path:
S:\Return to Castle Wolfenstein\main\mp_pak2.pk3 (3 files)
S:\Return to Castle Wolfenstein\main\mp_pak1.pk3 (308 files)
S:\Return to Castle Wolfenstein\main\mp_pak0.pk3 (783 files)
S:\Return to Castle Wolfenstein\main\pak0.pk3 (4775 files)
S:\Return to Castle Wolfenstein/main

----------------------
5869 files in pk3 files
execing default.cfg
couldn't exec language.cfg
couldn't exec wolfconfig_mp.cfg
execing autoexec.cfg
Hunk_Clear: reset the hunk ok
...detecting CPU, found AMD w/ 3DNow!
Bypassing CD checks
----- Client Initialization -----
----- Initializing Renderer ----
-------------------------------
Loaded 680 translation strings from scripts/translation.cfg
----- Client Initialization Complete -----
----- R_Init -----
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, 0 )
...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 )
-----------------------
GLW_StartOpenGL() - could not load OpenGL subsystem


Hvorfor kommer den, og hvad skal jeg gøre?