Failed to update Plesk 12.5.30 automatic update

Hello everyone, my server suddenly no longer updated and take several days to receive warnings that could not be upgraded.

I followed several steps listed here in the forum without success.
One of them has been added to the file etc/hosts

It does not work and after restarting skips the mistake again.

View attachment 11632

Then I did this without success.

Failed to update Plesk 12.5.30 automatic update