Upgrade to Ubuntu 9.04 (Jaunty Jackalope) to 9.10 (Karmic Koala)
I have upgrade my machine to Ubuntu 9.04 (Jaunty Jackalope) to 9.10 (Karmic Koala). To upgrade Go to System -> Administrator -> Update Manager Now Click on Upgrade button to start upgrade process. After few hours you will be having ubuntu 9.10 on your machine. Lets Experience ! Enjoy !