Issue 335: newest nvidia driver on windows (64bit only?) breaks FBO support
Project Member Reported by thomas.h...@gmail.com, Sep 4, 2010
i think it's a drover problem, but helps to be aware.  i hope they didn't changes something permanently..

for now downgrade to 197.45 instead of newest

see:
http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=282752&#Post282752