Install Moovida Media center in Ubuntu is very easy.Add the ppa source into /etc/apt/sources.list,update your system and use apt command to install.

For Ubuntu karmic:

Edit /etc/apt/sources.list by this command:(open terminal from Applications->Accessories->Terminal to type command)

sudo gedit /etc/apt/sources.list

add following and save the file:

deb karmic main
deb-src karmic main

then use this two command to add gpg key:

gpg --keyserver --recv 26C2E075
gpg --export --armor 26C2E075 | sudo apt-key add 

Now,update and install Moovida media center:

sudo apt-get update 
sudo apt-get install moovida

Launch Moovida from Applications->Sound&video->Moovida Media Center

For more,see: