Update Manager won't close

[thor111]

Binary package hint: gnome-panel

The update manager says that my system is up to date, and that there are no problems, but the window won't close. I'm sure it will if I reboot, but that's not the point, is it.

ProblemType: Bug
Architecture: i386
Date: Fri Feb 15 16:47:01 2008
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/gnome-panel
Package: gnome-panel 1:2.18.1-0ubuntu3
PackageArchitecture: i386
ProcCmdline: gnome-panel --sm-client-id default1
ProcCwd: /home/mark
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-panel
Uname: Linux ubuntu 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31 UTC 2007 i586 GNU/Linux