use
$ sudo apt-get install mplayer
to install player if you didn't, sounds like your ubuntu 9.10 installation is not complete, I upgraded to 9.10 from 9.04, I will try a fresh install of 9.10 in the weekend.
$ sudo apt-get install mplayer
to install player if you didn't, sounds like your ubuntu 9.10 installation is not complete, I upgraded to 9.10 from 9.04, I will try a fresh install of 9.10 in the weekend.