If it's Oneiric (11.10), I know only a radical workaround:
cp ~/.config/dconf/user ~/.config/dconf/user.bak
rm ~/.config/dconf/user
log out, and then you'll need to fully reconfigure the settings of your GNOME desktop.
If smth. is too awful, you can revert to the backed up config version:
cp ~/.config/dconf/user.bak ~/.config/dconf/user
johnspartan, what version of Ubuntu do you use?
If it's Oneiric (11.10), I know only a radical workaround: dconf/user ~/.config/ dconf/user. bak dconf/user
cp ~/.config/
rm ~/.config/
log out, and then you'll need to fully reconfigure the settings of your GNOME desktop.
If smth. is too awful, you can revert to the backed up config version: dconf/user. bak ~/.config/ dconf/user
cp ~/.config/