help plz :'(

ET 2.60b win-x86 May 8 2006
----- FS_Startup -----

Intel Pentium III
Bypassing CD checks
----- Client Initialization -----
----- Initializing Renderer ----
-------------------------------
----- Client Initialization Complete -----
----- R_Init -----
Initializing OpenGL subsystem
...initializing QGL
...calling LoadLibrary( 'C:\WINDOWS\system32\opengl32.dll' ): succeeded
...setting mode 6: 1024 768 FS
...using colorsbits of 32
...calling CDS: failed, bad mode
...trying next higher resolution: ok
...registered window class
...created window@0,0 (1024x768)
Initializing OpenGL driver
...getting DC: succeeded
...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 (6)
...setting mode 6: 1024 768 FS
...using colorsbits of 16
...calling CDS: failed, bad mode
...trying next higher resolution: ok
...created window@0,0 (1024x768)
Initializing OpenGL driver
...getting DC: succeeded
...GLW_ChoosePFD( 16, 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)
...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

plz plz help :'(