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From: "Lennart Borgman (gmail)" <lennart.borgman@gmail.com>
Newsgroups: gmane.emacs.devel
Subject: Bug: can not start a w32 GUI program from Emacs
Date: Wed, 27 Dec 2006 01:38:13 +0100
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I have been trying different ways to start explorer.exe from Emacs on 
w32. I can not find any way that works. It is a quite annoying bug.

I suspect this has something to do with the code in w32proc.c that defines

   start.hStdInput = GetStdHandle (STD_INPUT_HANDLE);
   start.hStdOutput = GetStdHandle (STD_OUTPUT_HANDLE);
   start.hStdError = GetStdHandle (STD_ERROR_HANDLE);

This is done even if Emacs thinks it is a GUI app. Is this the problem? 
Why is this handles set also for GUI programs.