( gaborgabor | 2007. 08. 24., p – 11:23 )

nem tudom megoldás-e:
(forrás: https://wiki.ubuntu.com/GutsyGibbon/Tribe5)

"Upgrading from Feisty

If you upgrade from feisty, please make sure that you have update-manager 0.59.23 from feisty-updates installed. Then run "sudo update-manager -d". "