During install from Live CD 9.10 to existing 9.04 partitions, grub failed to install on hd0

Binary package hint: ubiquity

Installation of 9.10 over 9.04 from the LIve CD, without formatting the existing partitions. Existing partitions used for exactly the same purpose, eg. /var = /var
Grub failed to install on hd0

Install exits, not sure if it is successful, have not rebooted yet.

ProblemType: Crash
Architecture: amd64
Date: Thu Nov 5 11:58:25 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
InterpreterPath: /usr/bin/python2.6
LiveMediaBuild: Xubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
Package: ubiquity 2.0.6
ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity gtk_ui
ProcEnviron: Error: [Errno 13] Permission denied: '/proc/7119/environ'
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', 'gtk_ui']
SourcePackage: ubiquity
Title: ubiquity crashed with InstallStepError in configure_bootloader()
Uname: Linux 2.6.31-14-generic x86_64
UserGroups:

XsessionErrors:
 (polkit-gnome-authentication-agent-1:6791): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (xfce4-mixer-plugin:6838): libxfce4mixer-CRITICAL **: xfce_mixer_get_track: assertion `GST_IS_MIXER (card)' failed
 (xfce4-terminal:6868): Terminal-WARNING **: Unable to load terminal preferences.