Error message - could not open opengl subsystem

Copy of error message

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

Computer emachine model T3256
Integrated Nvidia Gforce 4 mx graphics card updated
Processor AMD athlon Driver Version
Opengl Version 1.1.0

Error message received on 3 different games installed so far

These two lines contracdict themselves : Driver Version (means not so old nvidia driver)
Opengl Version 1.1.0 (means no nvidia driver)

Can you post what say GLinfo about your opengl implementation ?

Are you sure you have full acceleration for your graphic system (somewhere in windows control panel or system properties)?

Try to get a newer driver from, and what is your OS ?