When I'm in M-x calc, and trying to press S-s for sine emacs gets locked up and I need to shut it down. this happens only in windows, on linux it works ok. In GNU Emacs 22.1.50.1 (i386-mingw-nt5.1.2600) of 2007-08-18 on TPAD Windowing system distributor `Microsoft Corp.', version 5.1.2600 configured using `configure --with-gcc (4.2) --cflags -O2 -g0 -march=i686 -mtune=i686 -pipe -IC:/gnuwin32/include_emacs -IC:/gnuwin32/lib -IC:/gnuwin32/src --ldflags -s ' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: ENU locale-coding-system: cp1255 default-enable-multibyte-characters: t Major mode: Lisp Interaction Minor modes in effect: recentf-mode: t cua-mode: t which-function-mode: t encoded-kbd-mode: t tooltip-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t unify-8859-on-decoding-mode: t unify-8859-on-encoding-mode: t utf-translate-cjk-mode: t auto-compression-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t Recent input: C-s C-g M-x r e p o r t - e m b Recent messages: Setting up semantic...done Setting up speedbar...done Setting up cedet-contrib...done All done, esegal. Loading c:/Documents and Settings/esegal/.emms-cache...done Loading c:/Documents and Settings/esegal/emacs.d/lisp/cedet-1.0pre4/semantic/bovine/semantic-el.e l (source)...done For information about the GNU system and GNU/Linux, type C-h C-p. Quit Making completion list... Loading emacsbug...done