NT Emacs wrong-type-argument wholenump -13

[FKtPp]

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Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

I'd seen this warning several times. When start NT Emacs and then use
mouse point the ``Tools'' menu immediately. I always see
wrong-type-argument wholenump -xx <== here -xx can be some number.

Bellow is the BackTrace buffer: 
--8<---------------cut here---------------start------------->8---
Debugger entered--Lisp error: (wrong-type-argument wholenump -13)
  posn-at-x-y(192 -13 #<frame address@hidden 0x1773800>)
  tooltip-show-help-function("mouse-2: browse http://www.gnu.org/";)
  recursive-edit()
  byte-code("ƎÇ
È!ˆÉÊË#ˆÉÌÍ#ˆÉÎË#ˆÉÏË#ˆÐ‰ÐÑÒÓÔÕ#Ö
×]\\ØÙÚ$ Û *‡" [map cursor-type display-hourglass
minor-mode-map-alist buffer-undo-list mode-line-format ((byte-code
"Æ!ˆ Ç
!‡" [timer old-hourglass display-hourglass old-minor-mode-map-alist
minor-mode-map-alist splash-buffer cancel-timer kill-buffer] 2))
make-sparse-keymap use-local-map define-key [switch-frame] ignore [t]
fancy-splash-default-action [mouse-movement] [mode-line t] nil t
propertize "---- %b %-" face (:weight bold) float-time 60
run-with-timer 0 fancy-splash-screens-1 recursive-edit
fancy-splash-max-time fancy-splash-stop-time fancy-splash-delay
splash-buffer timer] 6)
  fancy-splash-screens()
  display-splash-screen()
  command-line-1(nil)
  command-line()
  normal-top-level()
--8<---------------cut here---------------end--------------->8---



In GNU Emacs 22.0.50.1 (i386-mingw-nt5.1.2600)
 of 2005-03-22 on LEGEND-GSZT2YYE
Distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'

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: CHS
  locale-coding-system: chinese-iso-8bit
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  auto-compression-mode: t
  show-paren-mode: t
  tooltip-mode: t
  encoded-kbd-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<help-echo> C-x h M-w q M-x r e p o r t <tab> <ret
urn>

Recent messages:
Loading skeleton...done
Loading regexp-opt...done
Loading image...done
Loading jit-lock...done
Loading debug...done
Entering debugger...
Loading help-mode...done
Mark set [2 times]
For information about the GNU Project and its goals, type C-h C-p.
Loading emacsbug...done


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