On Sun, 2007-07-08 at 19:48 -0500, manuel mizael gonzalez contreras wrote: > my ubuntu6, to ubuntu 7 Since you didn't specify _which Ubuntu you want to upgrade (6.06 or 6.10) be advised that only 6.10 can directly be upgraded to 7.04. You should read this: https://help.ubuntu.com/community/UpgradeNotes