some list in "Get Help with Ubuntu" don't show up correctly

[Hsn]

Binary package hint: yelp

this problem happened in the package: yelp 2.30.1-0ubuntu1

when i put my mouse in the help icon instead of a little box saying "get help with ubuntu"
i get some boxes with numbers inside them
even when i right-clicked it than clicked properties
in the Name field these boxes with numbers inside

you can see the screen shot below

ubuntu release: 10.10

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: yelp 2.30.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-19.25-generic 2.6.35.3
Uname: Linux 2.6.35-19-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
CheckboxSubmission: 52f31804db262c4cfe5be58a530a89c1
CheckboxSystem: d00f84de8a555815fa1c4660280da308
Date: Fri Aug 27 10:28:50 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp