spearhead loading problem

[gob14]

have copied this with clone cd using plextor cd amplify weak sectors on hide cdr media when running .sometimes the game will run sometimes i recieve following error


...initializing QGL
...calling LoadLibrary( 'C:\WINDOWS\SYSTEM\opengl32.dll' ): succeeded
...setting mode 6: 1024 768 FS
...using colorsbits of 16
...calling CDS: ok
...registered window class
...created window@0,0 (1024x768)
Initializing OpenGL driver
...getting DC: succeeded
...GLW_ChoosePFD( 16, 24, 0 )
...23 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 16, 24, 0 )
...23 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 16, 16, 0 )
...23 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 16, 16, 0 )
...23 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: ok
...created window@0,0 (1024x768)
Initializing OpenGL driver
...getting DC: succeeded
...GLW_ChoosePFD( 16, 24, 0 )
...23 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 16, 24, 0 )
...23 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 16, 16, 0 )
...23 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 16, 16, 0 )
...23 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
GLW_StartOpenGL() - could not load OpenGL subsystem

couldsomeone please tell me if this is the copy or my system

have tried original disc runs aslong as copy hasnt failed before trying original