I've never used OpenGL with Blitz (I wonder how many people have), but I do remember always getting a crash on exit when calling a certain function in msvcrt.dll. Maybe the problem is related for some reason.
At any rate, to avoid the crash, all I had to do was make sure that the program terminates with the End command. It's just a guess, but maybe it will work in your case too.
At any rate, to avoid the crash, all I had to do was make sure that the program terminates with the End command. It's just a guess, but maybe it will work in your case too.