执行aptitude upgrade时出错，应该如何解决?

[chylli]

ubuntu 6.06
在执行aptitude upgrade 时,在升级emacs-snapshot-gtk时出现如下错误

In toplevel form:
sb-info.el:54:1:Error: Recursive `require' for feature `sb-info'
Wrote /usr/share/emacs-snapshot/site-lisp/speedbar/sb-rmail.elc
Wrote /usr/share/emacs-snapshot/site-lisp/speedbar/sb-texinfo.elc
Wrote /usr/share/emacs-snapshot/site-lisp/speedbar/sb-w3.elc
Wrote /usr/share/emacs-snapshot/site-lisp/speedbar/speedbar.elc
Wrote /usr/share/emacs-snapshot/site-lisp/speedbar/speedbar-load.elc
emacs-install: /usr/lib/emacsen-common/packages/install/speedbar emacs-snapshot failed at /usr/lib/emacsen-common/emacs-install line 28, <TSORT> line 16.
dpkg：处理 emacs-snapshot-gtk (--configure)时出错：
子进程·post-installation script·返回了错误号·1
在处理时有错误发生：
emacs-snapshot-gtk

我应该如何解决?
是不是先down下来再安装?
如何做?
请指教