Here you are, Leann Ogasawara:
[ 2519.955660] gnome-appearanc[29647]: segfault at 0044 eip b7c4073f
esp bfcaca60 error 4
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gnome-appearance-properties crashed with SIGSEGV in meta_theme_get_frame_style()
https://bugs.launchpad.net/bugs/199402
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** Attachment added: CoreDump.gz
http://librarian.launchpad.net/7036835/CoreDump.gz
** Attachment added: Dependencies.txt
http://librarian.launchpad.net/7036836/Dependencies.txt
** Attachment added: Disassembly.txt
http://librarian.launchpad.net/7036837/Disassembly.txt
** Attachment
Public bug reported:
Binary package hint: totem
Open mozilla and try to play a quicktime video in a website. crash.
ProblemType: Crash
Architecture: i386
Date: Wed Mar 28 19:39:20 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/lib/totem/totem-plugin-viewer
Package: totem-xine