Patrick Rutkowski added the comment: I removed my custom built Python and installed the one provided by the python-3.6.2-amd64.exe installer instead.
The Win32 Command Line application now works, and shows the message box. The Win32 GUI Application still fails to work, the output is just nothing. As expected, pythonw works as always, it shows the popup. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue31172> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com