why when I try(4-5 times) to upgrade in Ubuntu 11.10 (from 11.04) I see always this..

[spi_]

hello, why when I try(4-5 times) to upgrade in Ubuntu 11.10 (from 11.04) I see always this message? "It was not possible to authenticate some packages. This may be a transient network problem. You may want to try again later. See below for a list of unauthenticated packages. adobe-flash-properties-gtk adobe-flashplugin skype" I wait for your answer... thanks a lot...

[zvacet]

If you can install those packages do it.

[kennyruffles]

try this: sudo apt-get --purge remove adobe-flash-properties-gtk adobe-flashplugin

It works for me.