strange issue with 'install updates'

[NoOp]

On 05/18/2014 01:01 AM, Gary J. Kirkpatrick wrote:
> Yikes! When I try to install updates on this 12.04.1 unit, error message
> says:
> 
> Requires installation of untrusted packages
> 
> Under details:
> 
> flashplugin-installer ok
> libxfont1 libxml2 linux-firmware python-libxml2 tzdata tzdata-java
> usb-creator-common usb-creator-gtk
> 
> I'd just installed bootlog but now have removed it, same error message. 
> I rebooted just in case that would help.
> 
> I installed the same update one at a time and got no error messages! 
> 
> Probably I will wait for the next update to see if it happens again and
> then report a bug.
> 
> Any thoughts?

sudo apt-get remove debian-keyring debian-archive-keyring
sudo apt-get clean
sudo apt-get update
sudo apt-get -y install debian-keyring debian-archive-keyring