Sthu Deus wrote:
Good day.I think after $ sudo apt-get updatei have got a message on$ sudo -t stable apt-get upgrade stating that some packages can not be authenticated. Before - all was all right: i was updating and upgrading - no problems, but now I have the problem.
Sometimes this is caused by something transferred wrongly to your pc, or even worse to the mirror you're using. Try again tomorrow.
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