What is the problem ,thanks!

Q3 1.27g win-x86 Dec 4 2000
----- FS_Startup -----
Current search path:
G:\game\Quake III Arena\baseq3\pak4.pk3 (272 files)
G:\game\Quake III Arena\baseq3\pak3.pk3 (4 files)
G:\game\Quake III Arena\baseq3\pak2.pk3 (148 files)
G:\game\Quake III Arena\baseq3\pak1.pk3 (7 files)
G:\game\Quake III Arena\baseq3\pak0.pk3 (3539 files)
G:\game\Quake III Arena/baseq3


3970 files in pk3 files
execing default.cfg
execing q3config.cfg
couldn’t exec autoexec.cfg
Hunk_Clear: reset the hunk ok
…detecting CPU, found AMD w/ 3DNow!

------- Input Initialization -------
Joystick is not active.

----- Client Initialization -----
----- Initializing Renderer ----

----- Client Initialization Complete -----
----- R_Init -----
Initializing OpenGL subsystem
…initializing QGL
…calling LoadLibrary( ‘C:\WINDOWS\System32\opengl32.dll’ ): succeeded
…setting mode 4: 800 600 FS
…using colorsbits of 32
…calling CDS: ok
…registered window class
…created window@0,0 (800x600)
Initializing OpenGL driver
…getting DC: succeeded
…GLW_ChoosePFD( 32, 24, 0 )
…50 PFDs found
…hardware acceleration found
…PIXELFORMAT 4 selected
…creating GL context: failed
…failed hard
…restoring display settings
…WARNING: could not set the given mode (4)
…setting mode 4: 800 600 FS
…using colorsbits of 16
…calling CDS: ok
…created window@0,0 (800x600)
Initializing OpenGL driver
----- CL_Shutdown -----
RE_Shutdown( 1 )
Shutting down OpenGL subsystem
…wglMakeCurrent( NULL, NULL ): failed
…releasing DC: failed
…destroying window
…resetting display
…shutting down QGL
…unloading OpenGL DLL

Q_strncpyz: NULL src