Using the "--clean" option cleared the problem and generated the executables.
Strangely, running the executable displays this at the start: WARNING: file already exists but should not: C:\DOCUME~1\...\LOCALS~1\Temp\_MEI31842\Include\pyconfig.h WARNING: file already exists but should not: C:\DOCUME~1\...\LOCALS~1\Temp\_MEI31842\Include\pyconfig.h -- You received this message because you are subscribed to the Google Groups "PyInstaller" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/pyinstaller. For more options, visit https://groups.google.com/groups/opt_out.
