hi, i wanna use boost libraries over visual c++, i have followed all steps in the getting start guide for windows, but even so i get error, what could be the cause? thanks

Compiling...
example.cpp
c:\documents and settings\juan antonio\escritorio\boost_1_40_0\boost_1_40_0\boost\aligned_storage.hpp(65) : error C2989: 'aligned_storage_imp<0,alignment_>' : template class has already been defined as a non-template class
c:\documents and settings\juan antonio\escritorio\boost_1_40_0\boost_1_40_0\boost\aligned_storage.hpp(65) : error C2988: unrecognizable template declaration/definition
c:\documents and settings\juan antonio\escritorio\boost_1_40_0\boost_1_40_0\boost\type_traits\floating_point_promotion.hpp(78) : fatal error C1506: unrecoverable block scoping error
Error executing cl.exe.

example.obj - 3 error(s), 0 warning(s)


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