I notice this question has been asked a few times but I don\'t really like the solution with two Eclipses in parallel. I just want my Galileo upgraded to Helios with preservatio
You cannot. You have to download, uncompress and run it without the ubuntu repository. In this scenario you can upgrade without problems ;-)
If you want to use Helios through the ubuntu repository you have to wait beyond Maverick (10.10) as you can see here: https://launchpad.net/ubuntu/+source/eclipse