The software is gnome-codec-install and is called by banshee when it fails to play something, it's a banshee issue if it trigger the dialog but doesn't wait for codec install or non-install to go to the next track
The software is gnome-codec-install and is called by banshee when it fails to play something, it's a banshee issue if it trigger the dialog but doesn't wait for codec install or non-install to go to the next track