Voodoo 5 opengl issue for Q3?

Can anyone tell me why I am getting this error?

Is it openGL related? If so, I am running Windows 2000 professional how can I get opengl for voodoo5 card?

Q3 1.27g win-x86 Dec 4 2000
----- FS_Startup -----
Current search path:
c:\Program Files\Quake III Arena\baseq3\pak5.pk3 (7 files)
c:\Program Files\Quake III Arena\baseq3\pak4.pk3 (272 files)
c:\Program Files\Quake III Arena\baseq3\pak3.pk3 (4 files)
c:\Program Files\Quake III Arena\baseq3\pak2.pk3 (148 files)
c:\Program Files\Quake III Arena\baseq3\pak1.pk3 (26 files)
c:\Program Files\Quake III Arena/baseq3


457 files in pk3 files

Running in restricted demo mode.

----- FS_Startup -----
Current search path:
c:\Program Files\Quake III Arena/demota


457 files in pk3 files
----- CL_Shutdown -----

Couldn’t load default.cfg