Right then, Somewhere on the installer screen there is an "Options" button. Check the box to erase your current installation. That should get around your problem of the alert "There is a new version installed". Try this and let me know how it goes. CJ > The million dollar question is: > > > How do I reinstall the 10.2.6 update? > > The computer hangs as soon as I power up and the apple splash screen > shows up. > > > I have tried to reinstall an older version,but the installer does not > let me do it.Prompting "there is a new version installed. > > > > Help!