Error while loading a game.

When i try to load a map of Quake 3 arena,
i get the following msg;
[b]----- CL_Shutdown -----
RE_Shutdown( 1 )
Shutting down OpenGL subsystem
…wglMakeCurrent( NULL, NULL ): success
…deleting GL context: success
…releasing DC: success
…destroying window
…resetting display
…shutting down QGL
…unloading OpenGL DLL

----- Server Shutdown -----
==== ShutdownGame ====
AAS shutdown.

Bogus DHT counts[/b]

and i tried to exactly see what it was(DreamGL3.0) and it said

DDLog: (ERROR) DDLog: dglSwapBuffers: Flip 887601c2:[ Access to this surface is being refused because the surface memory is gone. The DirectDrawSurface object representing this surface should have Restore called on it. ]

can someone explain me what i have to do to fix this
doc <o/

Specs:
p4 2.8
ATi RADEON 9700 PRO 128mb
512DDR