Aha, many thanks! Running that on my last working copy (25.0.50.1) gives: "--prefix=/z/emacs --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --build=x86_64-w64-mingw32 --with-wide-int --with-jpeg --with-xpm --with-png --with-tiff --with-rsvg --with-xml2 --with-gnutls --with-sound=yes --with-file-notification=yes --without-dbus --without-imagemagick 'CFLAGS=-O3 -fomit-frame-pointer -g0 -pipe' 'LDFLAGS=-static-libgcc -static-libstdc++ -static -s -Wl,-s'" Which as you see, contains "--without-dbus". The latest one I've downloaded is much simpler: "--prefix=/tmp/emacs --without-imagemagick 'CFLAGS=-O2 -fomit-frame-pointer -g0'" So that will be the problem. Many thanks for your help, I'll try and get a version with the correct settings. Cheers Dave On Wed, 21 Sep 2016, Arash Esbati wrote: > Dave Footitt writes: > > > Hi there, > > > >> How did you obtain your Emacs binary? Emacs with Dbus is known *not* to > >> work on Windows. I suggest you grab a binary built `--without-dbus', > >> put (pdf)latex in your PATH and try again. > > > > I've been using this one: > > > > https://sourceforge.net/projects/emacsbinw64/ > > > > Mainly because of it's built in image and TLS support on 64 bit. > > > > But it looks like the comments thread suggest it's actually compiled with > > Dbus (I don't even know what Dbus is!), which is frustrating because up > > until recently everything was working! > > You can find out how Emacs was built by checking this variable: > > ,----[ C-h v system-configuration-options RET ] > | system-configuration-options is a variable defined in ‘C source code’. > | Its value is > | "... --without-imagemagick --without-dbus ..." > | > | Documentation: > | String containing the configuration options Emacs was built with. > `---- > > You can try to delete `libdbus-*.dll' in your Emacs/bin directory, maybe > that prevents Emacs from using DBus [1]. > > Best, Arash > > PS Please keep 24479@debbugs.gnu.org in CC. > > Footnotes: > [1] https://en.wikipedia.org/wiki/D-Bus >