are you using third-party repositories? like debian-multimedia or similar? error says that repositories from which packages are about to be installed are not signed. you need to install *-keyring packages for that repositories. please port your sources.list contents..
Regards ------------ Roman On Thu, Jan 27, 2011 at 7:13 PM, Michael Fothergill < michael.fotherg...@googlemail.com> wrote: > Dear Folks, > > I just got a message from the package update manager: > > It says" Warning You are about to install software that can't be > authenticated! Doing this could allow a malicious individual to damage > or take control of your system." > > I would be upgrading 25 packages if I clicked on the apply button but > I haven't done it because of the warning. > > I don't remember getting this kind of warning in the past. I would be > upgrading openoffice and opera (this I think is a non free commercial > browser and maybe that is causing the warning here... not sure and > ttfopensymbol). > > What might be causing it? > > I am using Firestarter and AMD64 Lenny. Comments appreciated. > > Regards > > Michael Fothergill > > > -- > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact > listmas...@lists.debian.org > Archive: > http://lists.debian.org/aanlktimyugqvpj100ghfyavhgbsngfaqyfpao7w6j...@mail.gmail.com > >