To upgrade from 6.06 to 6.10 using the GUI, open a command prompt and type
sudo gksu "update-manager -c -d"
Follow the rest of the prompts. If you have any further issues or want a more detailed guide head to
Upgrade Ubuntu 6.06 (Dapper Drake) to Ubuntu 6.10 (Edgy Eft)
Also go to GetAutomatix.com to get an installer that includes many of the programs missing from Lunix commonly found on windows computers.
To play .wma files in Ubuntu with the programs XMMS or BMP goto http://mcmcc.bat.ru/xmms-wma/ and download
xmms-wma-1.0.5.tar.bz2