I'm trying to get a very minimal example of async export working. Can you help me? I'm running out of ideas. TIA WindowsXP-SP3, Emacs 24.3, Org [8.2.1 (release_8.2.1-134-g8b264d @ c:/org-mode/lisp/)] #+BEGIN_SRC command-line emacs -Q -l minimal-org.el #+END_SRC #+BEGIN_SRC minimal-org.el ;;; Minimal setup to load latest `org-mode'           ;; activate debugging      (setq debug-on-error t            debug-on-signal nil            debug-on-quit nil)           ;; add latest org-mode to load path      (add-to-list 'load-path (expand-file-name "c:/org-mode/lisp")) #+END_SRC #+BEGIN_SRC minimal.org * Hello world How things are going? #+END_SRC #+BEGIN_SRC keys C-c C-e C-a h h #+END_SRC #+BEGIN_SRC Error message Debugger entered--Lisp error: (wrong-type-argument stringp nil)   start-process("org-export-process" "*Org Export Process*" "c:/emacs-24.3/bin/emacs" "-Q" "--batch" "-l" nil "-l" "c:/DOCUME~1/ADMINI~1/CONFIG~1/Temp/org-export-process3704Exd")   org-export-to-file(html "./minimal.html" t nil nil nil nil)   org-html-export-to-html(t nil nil nil)   org-export-dispatch(nil)   call-interactively(org-export-dispatch nil nil) #+END_SRC #+BEGIN_SRC Local/Temp/org-export-process3704Exd ;; -*- coding: iso-latin-1-dos; -*- (with-temp-buffer (when org-export-async-debug (quote (setq debug-on-error t))) (setq kill-emacs-hook nil org-babel-confirm-evaluate-answer-no t) (require (quote ox)) (funcall (lambda nil (let ((inhibit-modification-hooks t)) (let ((org-mode-hook nil) (org-inhibit-startup t)) (org-mode)) (set (make-local-variable (quote org-cycle-global-status)) (quote overview)) (set (make-local-variable (quote org-target-link-regexp)) (quote nil)) (set (make-local-variable (quote org-macro-templates)) (quote (("time" . "(eval (format-time-string \"$1\"))") ("property" . "(eval (org-entry-get nil \"$1\" 'selective))")))) (set (make-local-variable (quote org-table-may-need-update)) (quote t)) (set (make-local-variable (quote org-latex-and-related-regexp)) (quote "")) (set (make-local-variable (quote org-all-time-keywords)) (quote ("SCHEDULED" "DEADLINE" "CLOCK" "CLOSED"))) (set (make-local-variable (quote org-maybe-keyword-time-regexp)) (quote "\\(\\<\\(SCHEDULED:\\|DEADLINE:\\|CLOSED:\\|CLOCK:\\)\\)? *\\([[<][0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} ?[^] >]*?[]>]\\|<%%([^ >]*>\\)")) (set (make-local-variable (quote org-keyword-time-not-clock-regexp)) (quote "\\<\\(SCHEDULED:\\|DEADLINE:\\|CLOSED:\\) *[[<]\\([^]>]+\\)[]>]")) (set (make-local-variable (quote org-keyword-time-regexp)) (quote "\\<\\(SCHEDULED:\\|DEADLINE:\\|CLOSED:\\|CLOCK:\\) *[[<]\\([^]>]+\\)[]>]")) (set (make-local-variable (quote org-closed-time-regexp)) (quote "\\]+[0-9]\\{1,2\\}:[0-9]\\{2\\}[0-9-+:hdwmy     .]*\\)>")) (set (make-local-variable (quote org-scheduled-time-regexp)) (quote "\\]+\\)>")) (set (make-local-variable (quote org-scheduled-regexp)) (quote "\\]+[0-9]\\{1,2\\}:[0-9]\\{2\\}[0-9-+:hdwmy     .]*\\)>")) (set (make-local-variable (quote org-deadline-time-regexp)) (quote "\\]+\\)>")) (set (make-local-variable (quote org-deadline-regexp)) (quote "\\