Ubuntu 7.04, upgrade "NOT AUTHENTICATED". What should one do?

[Markus Schönhaber]

Rick Berger wrote:

> I just got notification that 'tzdata' has an upgrade but when I went to
> install it, the update manager says it's not authenticated and warns me
> of possible installation consequences. Is there a nice easy way to
> verify if this could be an error? Is the a web site on what upgrades
> went out when? Should it be reported, if so where? What should one do?  

Update your package cache and try again. This happens from time to time
for me too.

Regards
  mks