After you have upgrade or install Ubuntu 7.10, you may find that you cannot edit or change the folder name under the Gnome. It is the bug of SCIM. You can fix it by following steps :
sudo nano /etc/X11/xinit/xinput.d/scim
The entries of GTK_IM_MODULE and QT_IM_MODULE should change to "SCIM" instead of xim :
Log out and re-login or press "Ctrl"+"Alt"+"Backspace" to reload the X Window.