@Michael Vogt: I'm fixed. I was reading on the pickle bug page...anyway you posted that running the following worked for you:
$ sudo python2.5 /usr/sbin/update-app-install ; gnome-app-install It worked for me as well and Add/Remove from the menu works too. -- When starting Add/Remove error message appears https://launchpad.net/bugs/79154 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs