bryce and open gl

when trying to used open gl in bryce4 i get
a unexpectedly quit error type-3 some time error type 2 but it will all ways quit bryce.
bryce will work very good with out gl. this is on a mac 9600/350 with about 420 some mb memory-about 250 mb for bryce a ati board that was in the cpu and a nexus 128 with 32 mb memory than you.