I try to install the PyTables module. I use Windows 7 (x32), Python 2.7.3 (x32), Cython 0.16, Visual Studio 2008 (9.0). At cmd.exe ‘run as administrator’ write: ‘python setup.py install –hdf5=”C:Program FilesHDF GroupHDF51.8.9″‘. But there are unresolved external symbols and build failed: Answer Installing Python packages with C extensions from source on Windows is difficult. Luckily, there are people who