heck Excel security setting. The macros may be disabled. You can check your
security setting on earlier versions of Excel by going to
Tools/Macro/Security.... On later versions you check it at Developer/Macro
Security. You may establish with certainty that the macros are working by
recording a small macro and trying to run it with a hotkey combination.
On Excel 2007 and 2010 the C:\Program Files\PythonForExcel directory has to be
added to Trusted Locations.