Bug #543157 (https://bugs.launchpad.net/ubuntu/+source/gnome-codec-install/+bug/543157) seems related. The solution provided there by 'Sergey K' (post 5) solved my problem (using Ubuntu 10.04).
Bug #543157 (https:/ /bugs.launchpad .net/ubuntu/ +source/ gnome-codec- install/ +bug/543157) seems related. The solution provided there by 'Sergey K' (post 5) solved my problem (using Ubuntu 10.04).