opengl superbible 5ed triangle problem

i tried the first triangle example in the book and the triangle is not drawn and i get only a blue screen…can you tell me what could be wrong?

Have u checked out the latest code from the code repository: http://code.google.com/p/oglsuperbible5/source/checkout

This thread might help:
http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=284885#Post284885

Also check out the issues: http://code.google.com/p/oglsuperbible5/issues/detail?id=34