> I'm running Emacs 23.4 on 64-bit Windows 7 with Cygwin. > A couple of weeks ago, The C-X ESC ESC binding stopped working; > simple investigation revealed that Emacs is not recognizing > ESC key presses.
Is that with emacs -Q also? If not, perhaps something in your init file is causing the problem. FWIW, on Windows XP, Emacs 23.4, emacs -Q, it works for me.