Yeah :) The filemanager entry is missing from your session startup, run this to fix (this is what the package fixes too, but if it was already missing, then it doesn't help):
gconftool-2 --set /desktop/gnome/session/required_components_list --list-type=string ["filemanager","panel","windowmanager"]
Yeah :) The filemanager entry is missing from your session startup, run this to fix (this is what the package fixes too, but if it was already missing, then it doesn't help):
gconftool-2 --set /desktop/ gnome/session/ required_ components_ list --list-type=string ["filemanager" ,"panel" ,"windowmanager "]