Some more information about the problem I have running the installed version.
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Program Files\GNURadio-3.7\lib\site-packages\gnuradio\filter\__init__
.py", line 32, in <module>
from filter_swig import *
File "C:\Program Files\GNURadio-3.7\lib\site-packages\gnuradio\filter\filter_s
wig.py", line 28, in <module>
_filter_swig = swig_import_helper()
File "C:\Program Files\GNURadio-3.7\lib\site-packages\gnuradio\filter\filter_s
wig.py", line 24, in swig_import_helper
_mod = imp.load_module('_filter_swig', fp, pathname, description)
ImportError: DLL load failed with error code -1073741795