"Glimp_Init() - could not load OpenGL subsystem"
this is a error in the game resolution , this can be fixed making this:
open the wolfconfig.coop.cfg
locate this lines:
seta r_customheight ""
seta r_customwidth ""
seta r_mode ""
and in seta r_mode "" put the value -1 for ignore the defaults resolutions
r_mode "-1"
and the resolution that you like:
seta r_customheight "768"
seta r_customwidth "1366"
or download this: