This bug report will be sent to the XEmacs Development Team, not to your local site managers!! Please write in English, because the XEmacs maintainers do not have translators to read other languages for them. In XEmacs 21.2 (beta37) "Pan" [Lucid] (i686-pc-cygwin) of Sat Nov 18 2000 on PASTON configured using `configure -with-png -with-xpm --site-includes=/usr/local/include --with-dragndrop --cflags '-g -O'' Please describe exactly what actions triggered the bug and the precise symptoms of the bug: xemacs -q M-x vm Get stack trace below. Repeat M-x vm and frame is set up fine. Signaling: (error "Must be string or vector" #<mswindows-frame "emacs" 0x34cd>) check-valid-instantiator(#<mswindows-frame "emacs" 0x34cd> image) canonicalize-spec(#<mswindows-frame "emacs" 0x34cd> image nil) byte-code("..." [spec-list nil result rest noerror throw cann-spec-list t signal error "Invalid list format" canonicalize-spec specifier-type res2] 5) canonicalize-spec-list((#<mswindows-frame "emacs" 0x34cd> . [tab-control :descriptor "Buffers" :face buffers-tab :orientation top :pixel-width (gutter-pixel-width) :items nil]) image) set-specifier(#<image-specifier global=<unspecified> fallback=((nil . ...)) 0x2420> [tab-control :descriptor "Buffers" :face buffers-tab :orientation top :pixel-width (gutter-pixel-width) :items nil] #<mswindows-frame "emacs" 0x34cd> nil nil) set-glyph-property(#<glyph (buffer) #<image-specifier global=<unspecified> fallback=(...) 0x2420>0x241f> image [tab-control :descriptor "Buffers" :face buffers-tab :orientation top :pixel-width (gutter-pixel-width) :items nil] #<mswindows-frame "emacs" 0x34cd> nil nil) set-glyph-image(#<glyph (buffer) #<image-specifier global=<unspecified> fallback=(...) 0x2420>0x241f> [tab-control :descriptor "Buffers" :face buffers-tab :orientation top :pixel-width (gutter-pixel-width) :items nil] #<mswindows-frame "emacs" 0x34cd>) update-tab-in-gutter(#<mswindows-frame "emacs" 0x34cd> t) #<compiled-function (frame) "...(8)" [frame gutter-buffers-tab update-tab-in-gutter t] 3>(#<mswindows-frame "emacs" 0x34cd>) make-frame(((width . 80) (top . 50) (left . 140))) vm-goto-new-frame(primary-folder folder) apply(vm-goto-new-frame (primary-folder folder)) <snip> Recent keystrokes: M-x v m RET misc-user Recent messages (most recent first): Parsing /home/philipa/.mailrc... Loading mail-abbrevs...done Loading mail-abbrevs... Loading emacsbug...done Must be string or vector: #<mswindows-frame "emacs" 0x29fe> Loading emacsbug... Loading vm-motion...done Loading vm-motion... Loading vm-message...done Loading vm-message...