Just checked, and updated the system, (updates were not related with this issue) and it still does not work. Right now, as I installed Ardour, when I check, I can't see the "Remove" button, so I think the problem is the same. I made a fresh install of the final version on day 29.
** Attachment added: "Screenshot-Ubuntu Software Center.png" http://launchpadlibrarian.net/47049412/Screenshot-Ubuntu%20Software%20Center.png -- Software center missing install buttons on some apps https://bugs.launchpad.net/bugs/573189 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs